Question

A)×+2×-1-3=×
B)-3×+10=2×+8+1
C) 7 (×-5)=3 (×+1) preciso de ajuda nessas 3

Answer 1

Resposta:

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

2x=4

x=4/2

x=2

B)-3x-2x= 8+1-10

-5x=-1 ×(-1)

5x=1

x=1/5

C)7x-35=3x+3

7x-3x=3+35

4x=38

x=38/4

x=9,5