(-9b+7)5+(8z-8)1=

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Solution for (-9b+7)5+(8z-8)1= equation:


Simplifying
(-9b + 7) * 5 + (8z + -8) * 1 = 0

Reorder the terms:
(7 + -9b) * 5 + (8z + -8) * 1 = 0

Reorder the terms for easier multiplication:
5(7 + -9b) + (8z + -8) * 1 = 0
(7 * 5 + -9b * 5) + (8z + -8) * 1 = 0
(35 + -45b) + (8z + -8) * 1 = 0

Reorder the terms:
35 + -45b + (-8 + 8z) * 1 = 0

Reorder the terms for easier multiplication:
35 + -45b + 1(-8 + 8z) = 0
35 + -45b + (-8 * 1 + 8z * 1) = 0
35 + -45b + (-8 + 8z) = 0

Reorder the terms:
35 + -8 + -45b + 8z = 0

Combine like terms: 35 + -8 = 27
27 + -45b + 8z = 0

Solving
27 + -45b + 8z = 0

Solving for variable 'b'.

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

Add '-27' to each side of the equation.
27 + -45b + -27 + 8z = 0 + -27

Reorder the terms:
27 + -27 + -45b + 8z = 0 + -27

Combine like terms: 27 + -27 = 0
0 + -45b + 8z = 0 + -27
-45b + 8z = 0 + -27

Combine like terms: 0 + -27 = -27
-45b + 8z = -27

Add '-8z' to each side of the equation.
-45b + 8z + -8z = -27 + -8z

Combine like terms: 8z + -8z = 0
-45b + 0 = -27 + -8z
-45b = -27 + -8z

Divide each side by '-45'.
b = 0.6 + 0.1777777778z

Simplifying
b = 0.6 + 0.1777777778z

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