-7(-8x-9+3b)=

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Solution for -7(-8x-9+3b)= equation:


Simplifying
-7(-8x + -9 + 3b) = 0

Reorder the terms:
-7(-9 + 3b + -8x) = 0
(-9 * -7 + 3b * -7 + -8x * -7) = 0
(63 + -21b + 56x) = 0

Solving
63 + -21b + 56x = 0

Solving for variable 'b'.

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

Add '-63' to each side of the equation.
63 + -21b + -63 + 56x = 0 + -63

Reorder the terms:
63 + -63 + -21b + 56x = 0 + -63

Combine like terms: 63 + -63 = 0
0 + -21b + 56x = 0 + -63
-21b + 56x = 0 + -63

Combine like terms: 0 + -63 = -63
-21b + 56x = -63

Add '-56x' to each side of the equation.
-21b + 56x + -56x = -63 + -56x

Combine like terms: 56x + -56x = 0
-21b + 0 = -63 + -56x
-21b = -63 + -56x

Divide each side by '-21'.
b = 3 + 2.666666667x

Simplifying
b = 3 + 2.666666667x

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