Question

02- Resolva as equações:
a- x+6=9
b- x+3x=20
c- 2x8
d- x+x/4=20

Answer 1

RESPOSTA:
A) x + 6 = 9
x = 9 - 6
x = 3

B) x + 3x = 20
4x = 20
x = 20/4
x = 5

C) 2x8
16x

D) x + x/4 = 20

(4x + x)/4 = 20
4x + x = 20•4
5x = 80
x = 80/5
x = 16