2x + 7 = 13 solve?

2x-7-13

#1

2x + 7 = 13 solve?

Answer:

2x+7=13
Subtract 7 from both sides
2x=6
Divide both sides by 2
x=6

You can check this answer by substitution, so 2x+7 would be 2 times 3 + 7, which is 6+7 which is 13, so this answer is right