Answer:
I gave you the first step(s) for solving it, now learn. Comment on this if you still don't get it.
Explanation:
Solve -2x+7 first
then 5x+4
then 2x-6
x= -9
-2x+7+5x-4=2x-6
first you need to combined like term
3x + 3 = 2x-6
-3 -3
3x = 2x-9
-2x -2x
1x = -9
1x is x and x equal -9
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