Question

resolva as equações e encontre o valor de "X"

d) 3x+1=x+1

e) 2x+5-x+8=0

f) 7x-12+3x=5x+18​

Answer 1

Resposta:

D) 3x-x=1-1

2x=0

X=0/2

X=0

E)x=-5-8

X=-13

F)10x-5x=18+12

5x=30

X=30/5

X=6