Question

Which expressions are equivalent. Circle your answer.

a. 10x - 6x
b. 7x + 3x
C. 12x + 2x - 10x
d. X - X + 2x

Answer 1

Options A and C

Solution:

• In order to simplify these expressions, we should combine like terms:
• 10x-6x=4x
• 7x+3x=10x
• 12x+2x-10x=14x-10x=4x (so expressions A & C are equivalent)
• x-x+2x=0x+2x=2x

Hope it helps.

Do comment if you have any query.

Answer 2

Answer: a) 10x-6x and c) 12x+2x-10x

Explanation:

Lets start by simplifying all the expressions

a) 10x-6x=4x

b)7x+3x=10x

c)12x+2x-10x=14x-10x=4x

d)x-x+2x=2x

As you can see a and c both simplify to 4x meaning that is our answer.