Question

2) Resolva as equações: a) 7(x-5) = 3(x +1) b) 3 (x-2) = 4 (- x+3) c) 2 (x+1) - (x-1) =0 d) 5 ( x+1) - 3 (x+2) = 0

Answer 1

a)7x-35=3x+3
7x-3x=38
4x=38
x=19/2
b)3x-6=-4x+12
7x=18
x=18/7
c)2x+2-x+1=0
x=-3
d)5x+5-3x-6=0
2x-1=0
x=1/2