Question

calcular x e y na igualdades
A (x+3,y-5)=(8,7)
B(X,5)=(-1,y)​

Answer 1

Resposta:

a)×=5 y=12

b)×=-1. y=5

Answer 2

a)

x+3=8

x=8–3

x=5

y-5=7

y=5+7

y=12

b) x=–5

y=5