mcinnis300 mcinnis300

25-10-2014
Mathematics

Answered

3z-4=6z-17 how do solve

Answer :

TheKingHami TheKingHami

25-10-2014

3z-4=6z-17
-3z-4=-17 (subtracted the 6z from both sides)
-3z=-13 (added the 4 to both sides)
z=[tex] \frac{-13}{-3z} [/tex] (divided both sides by -3z)
z=[tex] \frac{13}{3} [/tex]

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olemakpadu olemakpadu

26-10-2014

3z - 4 = 6z - 17. First try to take all the zs to one side of the equation
   preferrably to the left. And the sign of any expression
   changes on crossing the equality sign.

3z-6z = -17+4
-3z = +4-17
-3z   = - 13. Divide both sides by -3.
-3z/-3 = -13/-3

z = 13/3.

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