-89=5(7b+4)-4

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Solution for -89=5(7b+4)-4 equation:


Simplifying
-89 = 5(7b + 4) + -4

Reorder the terms:
-89 = 5(4 + 7b) + -4
-89 = (4 * 5 + 7b * 5) + -4
-89 = (20 + 35b) + -4

Reorder the terms:
-89 = 20 + -4 + 35b

Combine like terms: 20 + -4 = 16
-89 = 16 + 35b

Solving
-89 = 16 + 35b

Solving for variable 'b'.

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

Add '-35b' to each side of the equation.
-89 + -35b = 16 + 35b + -35b

Combine like terms: 35b + -35b = 0
-89 + -35b = 16 + 0
-89 + -35b = 16

Add '89' to each side of the equation.
-89 + 89 + -35b = 16 + 89

Combine like terms: -89 + 89 = 0
0 + -35b = 16 + 89
-35b = 16 + 89

Combine like terms: 16 + 89 = 105
-35b = 105

Divide each side by '-35'.
b = -3

Simplifying
b = -3

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