Respuesta :
Answer:
i learned this in
class today let me explain best as i can
Step-by-step explanation: do the brackets first always (y+3)= 3y then add 5=9 which is 14 + 3y = 17y there you go if i couldn't explain to your understand meant i suggest you ask your teacher to explain a bit further it will help trust me
Answer:
I’ll try my best:
x + y = ; x + 2y = 11
(add y to both sides)
(substitute each and simply each side)
(add -7)
-y + 7 = 11
(simplify both sides)
y + 7 + -7 = 11 + -7
y=4
x= -y + 7
(simplify)
ANSWER:
x=3
y=4