27-01-2015
Mathematics

Answered

-4x-2y=-12
4x+8y=-24
Someone help me solve systems of equations by elimination please!

Answer :

crisforp crisforp

27-01-2015

-4x - 2y = - 12
4x + 8y = - 24
_____________(+)
/ +6y = - 36

y = -36/6;
y = -6;

4x - 48 = -24;
4x = 24;
x = 24/4;
x = 6.

Answer Link

Other Questions

What does the statement "You will need to pass in an i18next instance by using initReactI18next" suggest about integrating i18next with React applications?

Which term is used to describe materials or systems that have the ability to adjust their mechanical properties in response to external stimuli?A) Superelastici

What is expert knowledge about the practical aspects of life called?a. Reminiscenceb. Wisdomc. Intellectd. Working memory

In a eukaryotic cell, Glycolysis occurs in the ____ the TCA cycle occurs in the ____ and the ETC occurs in the ____.a. Cytoplasm, cytoplasm, mitochondriab. Cyto

Your client uses life-sustaining at-home medical treatment that requires power. How should they prepare for a power outage?A. Identify multiple facilities that

Which of the following is a crucial step in setting up a trust fund?A) Selecting a high-interest savings accountB) Naming a trustee to manage the assetsC) Apply

Good ergonomics are not just about the equipment. What else do they have a lot to do with?A. The height-to-weight ratio of the cosmetologistB. How athletic the

If you were researching genetic differences between humans and other mammals, which set of genes would be LEAST likely to have important differences?a. MHC and

Which equation can be used to solve for angle N in the triangle below? In the triangle M N O, side M N equals 3 point 6 centimeters, side M O is 6 point 2 centi

Order the steps to solve the equation log (x²-15)=log (2x) form 1 to 5. x²-2x-15=0 Potential solutions are −3 and 5 x²-15=2xx-5=0 or x+3=0(x-5)(x+3)=0

Mrs. Noah'a bill, before tax, is $50. The sales tax rate is 3%. Mrs. Noah decides to leave a 2% tip for the gate keeper based on the pre-tax amount. How much wi

The general process in which molecules move from an area of higher concentration to an area of lower concentration is called ____________. A. osmosis B. diffusi

what decimal is equal to six tenths

eliminate 3x+2y=4 8x-3y=-6

what document title translates to great charter?

Consider the following system of equations. y = 6x - 6 y - 6x = 5 What can you conclude about the system of equations?

under Franklin Roosevelt good neighbor policy

Which event is the most common at oceanic-continental convergent boundaries? A. volcanic mountain ranges B. earthquakes C. faults D. rift valleys

What is a function of cell division? A) to turn skin cells into hair cells B) to keep cell size small as multicellular organisms grow C) to allow cell size to i

480 vibrations in 4 minutes whAts the period in seconds?