-3(5-9b)=25+7b

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Solution for -3(5-9b)=25+7b equation:


Simplifying
-3(5 + -9b) = 25 + 7b
(5 * -3 + -9b * -3) = 25 + 7b
(-15 + 27b) = 25 + 7b

Solving
-15 + 27b = 25 + 7b

Solving for variable 'b'.

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

Add '-7b' to each side of the equation.
-15 + 27b + -7b = 25 + 7b + -7b

Combine like terms: 27b + -7b = 20b
-15 + 20b = 25 + 7b + -7b

Combine like terms: 7b + -7b = 0
-15 + 20b = 25 + 0
-15 + 20b = 25

Add '15' to each side of the equation.
-15 + 15 + 20b = 25 + 15

Combine like terms: -15 + 15 = 0
0 + 20b = 25 + 15
20b = 25 + 15

Combine like terms: 25 + 15 = 40
20b = 40

Divide each side by '20'.
b = 2

Simplifying
b = 2

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