7x + 8 = 36
Therefore, 7x = 28
x = 28/7
x = 4
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7x + 8 = 36 - 8 = - 8 -------------- 7x = 28 7x/7 = 28/7 x = 4
8+7x = 20+3x 7x-3x = 20-8 4x = 12 x = 3
-8 + 7x = x - 506x = -42x = -6
4x+5=7x-8 the ansewr is 3.25
Subtract 7x from each side: 8 = -9 Not possible, game over.