Answer:
C
Step-by-step explanation:
I did the same question last week for a test
2r-6+5r=3-r+7
7r-6=10-r
7r+r=10+6
8r=16
r=16/8
r=2
Answer:
A-8
Step-by-step explanation:
Any other higher number plugged in makes the equation false
I think 2401...I just asked Siri
Simplify
9x^3 - 4x + 10 + x^3 + 10x - 9
Collect like terms
(9x^3 + x^3) + (-4x + 10x) + (10 - 9)
Simplify
<u>10x^2 + 6x + 1</u>
