138=-6(6b-7)

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Solution for 138=-6(6b-7) equation:


Simplifying
138 = -6(6b + -7)

Reorder the terms:
138 = -6(-7 + 6b)
138 = (-7 * -6 + 6b * -6)
138 = (42 + -36b)

Solving
138 = 42 + -36b

Solving for variable 'b'.

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

Add '36b' to each side of the equation.
138 + 36b = 42 + -36b + 36b

Combine like terms: -36b + 36b = 0
138 + 36b = 42 + 0
138 + 36b = 42

Add '-138' to each side of the equation.
138 + -138 + 36b = 42 + -138

Combine like terms: 138 + -138 = 0
0 + 36b = 42 + -138
36b = 42 + -138

Combine like terms: 42 + -138 = -96
36b = -96

Divide each side by '36'.
b = -2.666666667

Simplifying
b = -2.666666667

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