3b+15=36

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Solution for 3b+15=36 equation: 


Simplifying
3b + 15 = 36

Reorder the terms:
15 + 3b = 36

Solving
15 + 3b = 36

Solving for variable 'b'.

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

Add '-15' to each side of the equation.
15 + -15 + 3b = 36 + -15

Combine like terms: 15 + -15 = 0
0 + 3b = 36 + -15
3b = 36 + -15

Combine like terms: 36 + -15 = 21
3b = 21

Divide each side by '3'.
b = 7

Simplifying
b = 7

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