Question

5×+2=0
8y-1/2=0
2×-7=0
2×+12=0
4×+12=0

Answer 1

Resposta:

5x = -2; x = -2/5

8y = 0,5; y = 0,5/8

2x = 7; x = 7/2; x = 3,5

2x = -12; x = -12/2; x = -6

4x = -12; x = -12/4; x = -3

Explicação passo-a-passo: