SOLUTION: help me solve these two problems 1. -5(z+5)+3z= 2. -2/9r=3/7

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Question 782768: help me solve these two problems
1. -5(z+5)+3z=
2. -2/9r=3/7

Answer by waynest(281) About Me  (Show Source):
You can put this solution on YOUR website!
1.) -5 ( Z + 5 ) + 3Z = 0
-5Z - 25 + 3Z = 0
-2Z - 25 = 0
-2Z = 25
Z = -25/2
Z = -12.5
2.) -2/9r = 3/7
r = (3/7)/(-2/9)
r = 3/7 X -9/2
r = -27/14