45=3b+15

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Solution for 45=3b+15 equation:


Simplifying
45 = 3b + 15

Reorder the terms:
45 = 15 + 3b

Solving
45 = 15 + 3b

Solving for variable 'b'.

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

Add '-3b' to each side of the equation.
45 + -3b = 15 + 3b + -3b

Combine like terms: 3b + -3b = 0
45 + -3b = 15 + 0
45 + -3b = 15

Add '-45' to each side of the equation.
45 + -45 + -3b = 15 + -45

Combine like terms: 45 + -45 = 0
0 + -3b = 15 + -45
-3b = 15 + -45

Combine like terms: 15 + -45 = -30
-3b = -30

Divide each side by '-3'.
b = 10

Simplifying
b = 10

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