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2
) 1 X+4,2 = 1 1/5

2)1/4 x-(4+1/2x)=-2
3) -3 (2 + x) =-3x -(6 - 12 x)
4) x-5/4-12x/8=3,5​


2 1 X42 1 15214 X412x23 3 2 X 3x 6 12 X4 X5412x835 class=