-9b+3(b-6)=7(b-10)

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Solution for -9b+3(b-6)=7(b-10) equation:


Simplifying
-9b + 3(b + -6) = 7(b + -10)

Reorder the terms:
-9b + 3(-6 + b) = 7(b + -10)
-9b + (-6 * 3 + b * 3) = 7(b + -10)
-9b + (-18 + 3b) = 7(b + -10)

Reorder the terms:
-18 + -9b + 3b = 7(b + -10)

Combine like terms: -9b + 3b = -6b
-18 + -6b = 7(b + -10)

Reorder the terms:
-18 + -6b = 7(-10 + b)
-18 + -6b = (-10 * 7 + b * 7)
-18 + -6b = (-70 + 7b)

Solving
-18 + -6b = -70 + 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.
-18 + -6b + -7b = -70 + 7b + -7b

Combine like terms: -6b + -7b = -13b
-18 + -13b = -70 + 7b + -7b

Combine like terms: 7b + -7b = 0
-18 + -13b = -70 + 0
-18 + -13b = -70

Add '18' to each side of the equation.
-18 + 18 + -13b = -70 + 18

Combine like terms: -18 + 18 = 0
0 + -13b = -70 + 18
-13b = -70 + 18

Combine like terms: -70 + 18 = -52
-13b = -52

Divide each side by '-13'.
b = 4

Simplifying
b = 4

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