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If (x + y) + (2(x + y) + 3) = 9, what is x + y??

A. 3-1
B. -3 + 1
c. -3-1
D 3 + 1
E. 9-31​

User Roffers
by
8.4k points

1 Answer

3 votes

Answer:


\boxed{\mathrm{Option \ A}}

Explanation:

=>
(x+y)+(2(x+y)+3)=9

Solving the bracket

=>
x+y+2x+2y+3 = 9

=>
3x+3y = 9-3

=>
3(x+y) = 6

Dividing both sides by 3

=>
x+y = 2

A) 3 - 1 = 2 ← (Correct Answer)

B) -3+1 = -2

C) -3-1 = -4

D) 3+1 = 4

E) 9-31 = -22

User Khayam Gondal
by
9.3k points

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