Answer:
31/25
Explanation:
Step 1 simplify
3x+4/5=7+-2x
3x+4/5=-2x+7
Step 2 add 2x to both sides
3x+4/5+2x=-2x+7+2x
5x+4/5=7
step 3 subtract 4/5 from both sides
5x+4/5-4/5=7-4/5
5x=31/5
step 4 divide both sides by 5
5x/5=31/5/5
x=31/25
I hope this helps!