Question

which expression is equivalent to 3x +2(4y + X)

A. 5x + 8y
B. 4x + 8y
C. 11x + 2y
D. 5x + 4y

Answer 1

5x + 8y is the correct answer

Answer 2

3x+ 2(4y+x)
= 3x+ 2*4y+ 2x (distributive property)
= 3x+ 8y+ 2x
= (3x+ 2x)+ 8y (combine like terms)
= 5x+ 8y

The correct answer is A. 5x+ 8y~