Answer :

makeitnasty
Let's solve your equation step-by-step.
3v+9−8v=−31
Step 1: Simplify both sides of the equation.
−5v+9=−31
Step 2: Subtract 9 from both sides.
−5v+9−9=−31−9−5v=−40
Step 3: Divide both sides by -5.
−5v−5=−40−5
v=8