10(–x – 7) + 20 = –5(2x + 4)
first distribute
-10x -70 + 20 = -10x - 20
then combine like terms
-10x - 50 = -10x -20
-10x = -10x -20 +50
-10x = -10x +30
ok now when you move the -10x to the left side it will cancel out.(-10 + 10 = 0)
so i am thinking no solution
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