Answer:
By distributing the -5 to the 4x and -7.
Explanation:
-5( 4x - 7 ) + 8 = 3x
-20x + 35 + 8 = 3x
The first step is to distribute the -5
-5(4x-7)+8=3x
-5*4x -5*-7 +8 = 3x
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