0
Anonymous
4 - 4x = -12
Subtract 4 from both sides: -4x = -16
Multiply both sides by -1: 4x = 16
Divide both sides by 4: x = 4
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In 6x + 4 = 12, x = 4/3
It is: (3x+4)(2x-3) when factored
-6x-4-8 = -6x -12
It is: 12-12 = 0
4