+5265 2v minus -4=18
negative negative is positive
2v+4=18
subtract 4 from both sides
2v=14
divide by 2 on both sides
v=7
+139 It doesn't help to only give the answer. They don't learn from that! Also give them the step-by-step, as someone else did. That is what helps!
+5265 2v minus -4=18
negative negative is positive
2v+4=18
subtract 4 from both sides
2v=14
divide by 2 on both sides
v=7
