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a. -(x + 3) + (2x - 1) = (1 + 4x) + (3+x)
c. 3 (x-4) - 2 (2x-5) = -4
b. - (x + 3) - (2x + 8) = (-3 - 2x) + (2x+1)
d. -2(x+3) + 4 (2x + 3) = -6
Dam najj​