15(3+b)=75

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Solution for 15(3+b)=75 equation: 


Simplifying
15(3 + b) = 75
(3 * 15 + b * 15) = 75
(45 + 15b) = 75

Solving
45 + 15b = 75

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 + 15b = 75 + -45

Combine like terms: 45 + -45 = 0
0 + 15b = 75 + -45
15b = 75 + -45

Combine like terms: 75 + -45 = 30
15b = 30

Divide each side by '15'.
b = 2

Simplifying
b = 2

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