What does 7(a+b)=7a+_ equal

Mathematics · Middle School · Tue Nov 03 2020

Answered on

In order to solve 7(a+b), we just have to multiply 7 with every digit or variable that is inside the bracket. So the 7 will multiply with a and b. The sign will be saved because 7 is a positive number larger than 0.

So, 7(a+b) = 7a + 7b