3x+2-6x+7(3x-2) = 3+2x
3x+2-6x+21x-14 = 3+2x
18x-12 = 3+2x
18x-2x = 3+12
16x = 15
x = 15/16 → Resposta:)
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3x+2-6x+7(3x-2) = 3+2x
3x+2-6x+21x-14 = 3+2x
3x+2-6x+21x-14 = 3+2x
18x-12 = 3+2x
18x-2x = 3+12
16x = 15
x = 15/16 → Resposta:)