45b-15=40b+45

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Solution for 45b-15=40b+45 equation:


Simplifying
45b + -15 = 40b + 45

Reorder the terms:
-15 + 45b = 40b + 45

Reorder the terms:
-15 + 45b = 45 + 40b

Solving
-15 + 45b = 45 + 40b

Solving for variable 'b'.

Move all terms containing b to the left, all other terms to the right.

Add '-40b' to each side of the equation.
-15 + 45b + -40b = 45 + 40b + -40b

Combine like terms: 45b + -40b = 5b
-15 + 5b = 45 + 40b + -40b

Combine like terms: 40b + -40b = 0
-15 + 5b = 45 + 0
-15 + 5b = 45

Add '15' to each side of the equation.
-15 + 15 + 5b = 45 + 15

Combine like terms: -15 + 15 = 0
0 + 5b = 45 + 15
5b = 45 + 15

Combine like terms: 45 + 15 = 60
5b = 60

Divide each side by '5'.
b = 12

Simplifying
b = 12

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