3,5x + 8 = 2(x+7)
3,5x + 8 = 2x + 14
3,5x - 2x = 14 - 8
1,5x = 6
x= 6/1,5
x= 4
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3,5x + 8 = 2(x+7)
3,5x + 8 = 2x + 14
3,5x - 2x = 14 - 8
1,5x = 6
x= 6/1,5
x= 4