Question

What is 71.2 + d = 120?

Answer 1

d = 48.8

Explanation:

Subtract 71.2 from both sides:

71.2 + d - 71.2 = 120 - 71.2

Group like terms:

d + 71.2 - 71.2 = 120 - 71.2

Simplify the arithmetic:

d = 120 - 71.2

Simplify the arithmetic:

d = 48.8