Answer:
x=6
Step-by-step explanation:
First, add x to each side.
72=-2x+84
Subtract 84 from each side
-12=-2x
Dive each side by -2
6=x
Answer:
v=-1
Step-by-Step Explanation:
You could start on 34 on the number line and jump back 28 times to get your answer.
The awnser is (-1+3/x-3/x2+1/x3 )
An algebraic expression is, obviously, an expression with a variable.
"A number" would represent a variable, which, in this case, we'll use y.
So, 15 decreased by twice x.
15 - y x 2 =
I hope this helped :)