mimi0524 mimi0524

19-11-2014
Mathematics

Answered

Solving systems by substitution :
y=5x-10
y=3x+8

I dont underatand how to solve it

Answer :

19-11-2014

-2 i think all you have to do is 5x divided each side 5x divide by 10=- 2

Answer Link

VivianW VivianW

19-11-2014

Because they both equal 'y' you can make them equal to each other.
5x-10=3x+8
-Add 10 on both sides-
5x=3x+8+10
-Minus 3x on both sides-
5x-3x=18
2x=18
-Divide by 2-
x=9

Answer Link

Other Questions

find the inverse of the f(x) =x²+3x-6

multiple choice question question is which of the following is not a define option A 8 + 0 option b 8 - 0 option 1820 option d 8 divide 0 what is this correct o

Which of the following recommendations is most critical when using therapeutic modalities to increase ROM? A. Stretching of the restricted tissue should occur d

Martin Luther King Jr. often spoke of a day in the future when he hoped that his children would be judged not by their skin color but instead by their character

What are some common reasons why an air conditioner might leak water inside an apartment?

The rule [tex]r_{r .1} \circ T_{4,0}[x, y)[/tex] is applied to trapezoid ABCD to produce the final image [tex]A"B"C"D"[/tex].Which ordered pairs name the coordi

What typically happens when a server terminates a process unexpectedly?A) Data loss or corruption.B) Improved server performance.C) Enhanced security measures.D

How does a fatal traffic accident on the highway typically impact several aspects of community and safety?A) Increased awareness of road safety measures.B) Pote

Identify the slope and intercept of the following linear equation.[tex]\[ y = \frac{3}{4} x - 2 \][/tex]A. Slope: [tex]\(\frac{3}{4}\)[/tex]; intercept: -2 B.

Mark the letter A, B, C, or D on your answer sheet that needs correction for the following questions.34. My father always get up very early in the morning.A. My

what is a customary unit that the grasshopper is measured at?

Im getting confused with this easy problem.. Shelly ate 4.2 ounces of trail mix. Marshall ate 4.25 ounces of trail mix. How much did Marshall eat? Do u think it

how does an egg turn solid when heated on a pan

What are the two steps a producer can take to gain an absolute advantage? 1.Produce more goods. 2.Use high-quality resources. 3.Produce more expensive goods. 4.

Steve drew an isosceles trapezoid with a height of 5 cm and bases of 12 cm and 6 cm. What is the area of the trapezoid drawn by Steve?

The Hartford Convention was called to oppose the _____.

An insurance company has 75 employees if 60 have phones what portions does not have phones

in general, you expect the platform of a political party to

Regarding the navigation act of 1660, which statement is true about enumerated goods of great A) the goods could not be shipped B)the goods could only be transp

give a common noun for thursday