157k views
1 vote
Distribute then combine like terms: 3(7 + x) - 20 - 2x

1 Answer

5 votes

3\left(7+x\right)-20-2x

First, apply the distributive property to solve the parenthesis:


3(7)+3(x)-20-2x
21+3x-20-2x

Finally, combine like terms:


3x-2x+21-20
x+1

User JosephHirn
by
3.8k points