Question

Solve for b.
42 = 42 +9b

Answer 1

b = 0

Explanation:

42 - 42 = 42 + 9b - 42
0 = 9b
9b = 0
9b/9 = 0/9
b = 0









~ LadyBrainiac

Answer 2

b=0

Explanation:

42=42+9b

We move all terms to the left:

42-(42+9b)=0

We add all the numbers together, and all the variables

-(9b+42)+42=0

We get rid of parentheses

-9b-42+42=0

We add all the numbers together, and all the variables

-9b=0

b=0/-9

b=0