-23-7b=8(5b+9)

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Solution for -23-7b=8(5b+9) equation:


Simplifying
-23 + -7b = 8(5b + 9)

Reorder the terms:
-23 + -7b = 8(9 + 5b)
-23 + -7b = (9 * 8 + 5b * 8)
-23 + -7b = (72 + 40b)

Solving
-23 + -7b = 72 + 40b

Solving for variable 'b'.

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

Add '-40b' to each side of the equation.
-23 + -7b + -40b = 72 + 40b + -40b

Combine like terms: -7b + -40b = -47b
-23 + -47b = 72 + 40b + -40b

Combine like terms: 40b + -40b = 0
-23 + -47b = 72 + 0
-23 + -47b = 72

Add '23' to each side of the equation.
-23 + 23 + -47b = 72 + 23

Combine like terms: -23 + 23 = 0
0 + -47b = 72 + 23
-47b = 72 + 23

Combine like terms: 72 + 23 = 95
-47b = 95

Divide each side by '-47'.
b = -2.021276596

Simplifying
b = -2.021276596

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