solve 7n + 13 = 5n + 20

Answer 1

7 n + 13 = 5 n + 20 Subtract 5 n to both sides

7 n + 13 - 5 n = 5 n + 20 - 5 n

2 n + 13 = 20 Subtract 13 to both sides

2 n + 13 - 13 = 20 - 13

2 n = 7 Divide both sides by 2

n = 7 / 2