Answer:
4
Step-by-step explanation:
4x+5+3x-2=31
7x+3=31
7x=28
x=4
Answer:
Could you show more photos of it or is that all your information?
Step-by-step explanation:
Answer:

Step-by-step explanation:

Subtitute y in the first equation.

Now replace x in either equation to find y.

That’s the answers hope this helps.