2(3x+4)=-(-4x-8), 2(x + 2) = 3(x + 2) +x +1, 6x + 8 = 4x + 20, 2(x + 20) + 2x = 48, 5(3x - 2) = 2(2x + 1), 6(k - 2) = -3k + 6, 3z – 5 = 6 – (2z – 4), 0,4x - 2,6 = 0,3x + 1,2, x-3/2=x+1/3.

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