1. Which of these expressions is equivalent to 3r-2)? a
3r-6
b.
3r-2
3x + 2
d 3r+6
2
Which of these expressions is equivalent to - 27-5)?
a
-20-5
- 2x+5
b
c - 2x + 10
3.
d. - 21-10
For each expression, combine like terms and write an equivalent expression with
fewer terms
a
4r + 3x
I
b
3x +5x-1
5+2+7+ 4x
d
4-2 + 5x
e
101-5+ 3x-2
4.
For each equation, find a value for x that makes the equation true.
2 x=3 =12
b 2x+3 = 20