Question

combine like terms and distributive property
susan carbone
try this one on your own
$12 - (3x + 7) + 10x$
pause the video until you completely solve
multiple-choice question
what do you get after you distribute the -1?
$12 + 3x + 7 + 10x$
$12 - 3x - 7 + 10x$
rewatch

Explanation:

Step1: Distribute the negative sign

$12 - (3x + 7) + 10x = 12 + (-1)(3x) + (-1)(7) + 10x$

Step2: Simplify the distributed terms

$12 - 3x - 7 + 10x$

Answer:

12 - 3x - 7 + 10x