Answer:
90
Step-by-step explanation:
5x – 2y + (7x – y)
Combine like terms
12x -3y
Let x = 7 and y = -2
12(7) -3(-2)
84 +6
90
Why do math got to be so complicated
$7, I think. I would not be too sure about it, though.
Answer:
b^20
Step-by-step explanation:
when the exponents have one inside and the other outside, they are multiplied.
Answer:
Step-by-step explanation:
i wont tell you the answer but if you use brainly all the time you will not learn how to do it so try hard get a pen or a pencil get paper and stay confident you got this! i belive in you
