Question

Calcule as adições algébricas.
a) 5x - (2x - 6x - 8x)

b)6y - (5x - y - $\frac{x}{2}$)

Answer 1

5x - (2x - 6x - 8x)
5x - 2x + 6x + 8x
3x + 14x
17x

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6y - (5x - y - x/2)
6y - 5x + y + x/2
mmc = 2
12y/2 - 10x/2 + 2y/2 + x/2
12y/2 - 9x/2
6y - 9x/2