3(4+5b)=117

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Solution for 3(4+5b)=117 equation: 


Simplifying
3(4 + 5b) = 117
(4 * 3 + 5b * 3) = 117
(12 + 15b) = 117

Solving
12 + 15b = 117

Solving for variable 'b'.

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

Add '-12' to each side of the equation.
12 + -12 + 15b = 117 + -12

Combine like terms: 12 + -12 = 0
0 + 15b = 117 + -12
15b = 117 + -12

Combine like terms: 117 + -12 = 105
15b = 105

Divide each side by '15'.
b = 7

Simplifying
b = 7

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