One solution 8x-2-5x+7

3x+5

Step-by-step explanation:

Let's simplify step-by-step.

8x−2−5x+7

=8x+−2+−5x+7

Combine Like Terms:

=8x+−2+−5x+7

=(8x+−5x)+(−2+7)

=3x+5

One solution 8x-2-5x+7

the answer is 3x+5

step-by-step explanation:

step 1: solve one of the equations for one of the variables. let's solve the first equation for y:

step 2: substitute that equation into the other equation, and solve for x.

step 3: substitute x = 4 x = 4 x=4 into one of the original equations, and solve for y.