(3b-15)=6(2b+15)

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Solution for (3b-15)=6(2b+15) equation:


Simplifying
(3b + -15) = 6(2b + 15)

Reorder the terms:
(-15 + 3b) = 6(2b + 15)

Remove parenthesis around (-15 + 3b)
-15 + 3b = 6(2b + 15)

Reorder the terms:
-15 + 3b = 6(15 + 2b)
-15 + 3b = (15 * 6 + 2b * 6)
-15 + 3b = (90 + 12b)

Solving
-15 + 3b = 90 + 12b

Solving for variable 'b'.

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

Add '-12b' to each side of the equation.
-15 + 3b + -12b = 90 + 12b + -12b

Combine like terms: 3b + -12b = -9b
-15 + -9b = 90 + 12b + -12b

Combine like terms: 12b + -12b = 0
-15 + -9b = 90 + 0
-15 + -9b = 90

Add '15' to each side of the equation.
-15 + 15 + -9b = 90 + 15

Combine like terms: -15 + 15 = 0
0 + -9b = 90 + 15
-9b = 90 + 15

Combine like terms: 90 + 15 = 105
-9b = 105

Divide each side by '-9'.
b = -11.66666667

Simplifying
b = -11.66666667

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