Question

calcule o valor de y

a)y+5=8

b)y-4=3

c)y+6=5

d)y-7=-7​

Answer 1

Resposta:

a) y+5=8

y=8-5

y=3

b) y-4=3

y=3+4

y=7

c)y+6=5

y=5-6

y= -1

d) y-7= -7

y=-7+7

y=0