Question

a} 4{3x+5}=8x+36
b} 3{5x-2}=10x+9
c}5{2x+1=3x+19

Answer 1

a)12X+20=8X+36
12X-8X=36-20
4X=16
X=16÷4
X=4


b)15X-6=10X+9
15X-10X=9+6
5X=15
X=15÷3
X=5

c)10X+5=3X+19
10X-3X=19-5
7X=14
X=14÷7
X=2

Espero ter ajudado!