3b-5(3b-7)=-2b-15

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Solution for 3b-5(3b-7)=-2b-15 equation:


Simplifying
3b + -5(3b + -7) = -2b + -15

Reorder the terms:
3b + -5(-7 + 3b) = -2b + -15
3b + (-7 * -5 + 3b * -5) = -2b + -15
3b + (35 + -15b) = -2b + -15

Reorder the terms:
35 + 3b + -15b = -2b + -15

Combine like terms: 3b + -15b = -12b
35 + -12b = -2b + -15

Reorder the terms:
35 + -12b = -15 + -2b

Solving
35 + -12b = -15 + -2b

Solving for variable 'b'.

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

Add '2b' to each side of the equation.
35 + -12b + 2b = -15 + -2b + 2b

Combine like terms: -12b + 2b = -10b
35 + -10b = -15 + -2b + 2b

Combine like terms: -2b + 2b = 0
35 + -10b = -15 + 0
35 + -10b = -15

Add '-35' to each side of the equation.
35 + -35 + -10b = -15 + -35

Combine like terms: 35 + -35 = 0
0 + -10b = -15 + -35
-10b = -15 + -35

Combine like terms: -15 + -35 = -50
-10b = -50

Divide each side by '-10'.
b = 5

Simplifying
b = 5

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