Question

simplificando
a) -2x+x+5
b) 3-(x+1) +2x
c) 5(x-1) +2(3-x)

Answer 1

a) -2x+x+5
R: -x+5
b) 3-(x+1)+2x
3-x-1+2x
R: 2+x
c) 5(x-1)+2(3-x)
5x - 5 + 6 - 2x
R: 3x + 1