3(5-5b)=105

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Solution for 3(5-5b)=105 equation: 


Simplifying
3(5 + -5b) = 105
(5 * 3 + -5b * 3) = 105
(15 + -15b) = 105

Solving
15 + -15b = 105

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 + -15b = 105 + -15

Combine like terms: 15 + -15 = 0
0 + -15b = 105 + -15
-15b = 105 + -15

Combine like terms: 105 + -15 = 90
-15b = 90

Divide each side by '-15'.
b = -6

Simplifying
b = -6

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