Question

Which expression is equivalent to (3x-5y)+(x+2y)

A.4x-7
B.4x-3y
C.4x+3y
D.4x+7

Answer 1

B

Explanation:

given

(3x - 5y) + (x + 2y) ← remove parenthesis

= 3x - 5y + x + 2y ( collect like terms )

= (3x + x) + (- 5y + 2y)

= 4x + (- 3y)

= 4x - 3y