Question

Resolva as equações

A) 2×+11=×
B)3×+1=2×
C)1+2×=3-5×
D)5×-1=2-×

Answer 1

Olá, Boa noite.

a) 2x+11=x
2x-x=11
x=11

b) 3x+1=2x
3x-2x=1
x=1

c) 1+2x=3-5x
2x+5x=3-1
3x=2
x= 2/3

d) 5x-1=2-x
5x+x=2+1
6x=3
x= 3/6 (simplifica por 3)
x= 1/2


Abraço.