Question

2×-5=×+1
2×+3=×+4
5×+7=4×+10
resolva as equações​

Answer 1

Resposta:

2x-5=x+1

2x-x=1+5

x=6

2x+3=x+4

2x-x=4-3

x=1

c

5x+7=4x+10

5x-4x=10-7

x=3