84=-6(b-7)

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Solution for 84=-6(b-7) equation:


Simplifying
84 = -6(b + -7)

Reorder the terms:
84 = -6(-7 + b)
84 = (-7 * -6 + b * -6)
84 = (42 + -6b)

Solving
84 = 42 + -6b

Solving for variable 'b'.

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

Add '6b' to each side of the equation.
84 + 6b = 42 + -6b + 6b

Combine like terms: -6b + 6b = 0
84 + 6b = 42 + 0
84 + 6b = 42

Add '-84' to each side of the equation.
84 + -84 + 6b = 42 + -84

Combine like terms: 84 + -84 = 0
0 + 6b = 42 + -84
6b = 42 + -84

Combine like terms: 42 + -84 = -42
6b = -42

Divide each side by '6'.
b = -7

Simplifying
b = -7

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