Question

Calcule o valor de " X " Em cada Caso : A)
X + 20+3x-10+80=
B)
X+20=
C)
x+135+x+5=
D)
X+70+2x+10=

Answer 1

4x=-20-10+80
4x=-30+80=50
x=50/4 x= 12,5

b)x=-20

c)2x=-135+5
x=130/2
x=65

d)3x=-70+10
x=-60/3
x=-20