Question

If -2x+5x+3=12, find the value of x-8

Answer 1

Answer:

-5

The Problem:

If $-2x+5x+3=12$, then the value of $x-8$ is ?

Step-by-step explanation:

Let's solve this for x:

$-2x+5x+3=12$

Combine like terms:

$3x+3=12$

Subtract 3 on both sides:

$3x=12-3$

Simplify:

$3x=9$

Divide both sides by 3:

$x=\frac{9}{3}$

Simplify:

$x=3$

So if $x=3$ then $x-8=3-8=-5$.

Answer 2

Answer:

-5

Step-by-step explanation:

If you combine the like terms you would get 3x + 3= 12. Where u subtract 3 on each side, you would get 3x=9 and when you divide 3 on each side you would get x=3. To answer the problem, 3-8 would be -5.