Question

Which expression is equivalent to 12x-3x
A. x(12-3)
B. 8x
C. 3 (3x-x)
D. 9
{Special Instructions}
Please leave an explanation to how you found your answer.

Answer 1

Answer:

b. 8x

Step-by-step explanation:

its easy because the unknowns are equal then you just do the subtraction

Answer 2

A

Because 12-3=9. Then, you’re going to multiply the x to the 9 making it 9x. Which is the same as 12x-3x since that’s also 9x