Question

simplifique as expressões
a) 3(x+4)-2x
b) 4(x-1)-2(5-x)
C) 5+6(2x+1)-4(3x-8)
d) ( x+7)-(2×-3)-(5-x)
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Answer 1

Resposta:

a) x + 12   b) (4x - 4) - (10 - 2x)  c) (22x + 11) - (12x - 32)  d) (x + 7) - 6 - (5 - x)