Question

Which expression is equivalent to 5(y + 3) + 9? please help

Answer 1

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 2

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