5(9+b)=135

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Solution for 5(9+b)=135 equation: 


Simplifying
5(9 + b) = 135
(9 * 5 + b * 5) = 135
(45 + 5b) = 135

Solving
45 + 5b = 135

Solving for variable 'b'.

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

Add '-45' to each side of the equation.
45 + -45 + 5b = 135 + -45

Combine like terms: 45 + -45 = 0
0 + 5b = 135 + -45
5b = 135 + -45

Combine like terms: 135 + -45 = 90
5b = 90

Divide each side by '5'.
b = 18

Simplifying
b = 18

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