5(3b+4)=125

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Solution for 5(3b+4)=125 equation:


Simplifying
5(3b + 4) = 125

Reorder the terms:
5(4 + 3b) = 125
(4 * 5 + 3b * 5) = 125
(20 + 15b) = 125

Solving
20 + 15b = 125

Solving for variable 'b'.

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

Add '-20' to each side of the equation.
20 + -20 + 15b = 125 + -20

Combine like terms: 20 + -20 = 0
0 + 15b = 125 + -20
15b = 125 + -20

Combine like terms: 125 + -20 = 105
15b = 105

Divide each side by '15'.
b = 7

Simplifying
b = 7

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