15(3-b)=45-b

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Solution for 15(3-b)=45-b equation:


Simplifying
15(3 + -1b) = 45 + -1b
(3 * 15 + -1b * 15) = 45 + -1b
(45 + -15b) = 45 + -1b

Add '-45' to each side of the equation.
45 + -45 + -15b = 45 + -45 + -1b

Combine like terms: 45 + -45 = 0
0 + -15b = 45 + -45 + -1b
-15b = 45 + -45 + -1b

Combine like terms: 45 + -45 = 0
-15b = 0 + -1b
-15b = -1b

Solving
-15b = -1b

Solving for variable 'b'.

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

Add 'b' to each side of the equation.
-15b + b = -1b + b

Combine like terms: -15b + b = -14b
-14b = -1b + b

Combine like terms: -1b + b = 0
-14b = 0

Divide each side by '-14'.
b = 0

Simplifying
b = 0

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