Question

B+8=12.2 solve for b

Answer 1

Answer: B=4.2

Explanation:

b+8=12.2

Subtract 8 from both sides

b+8-8= 12.2 - 8

Simplify

b=4.2

Answer 2

b=12.2-8

b=4.2

thus

4.2+8=12.2