(9b-8)-(2b+5)=

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Solution for (9b-8)-(2b+5)= equation:


Simplifying
(9b + -8) + -1(2b + 5) = 0

Reorder the terms:
(-8 + 9b) + -1(2b + 5) = 0

Remove parenthesis around (-8 + 9b)
-8 + 9b + -1(2b + 5) = 0

Reorder the terms:
-8 + 9b + -1(5 + 2b) = 0
-8 + 9b + (5 * -1 + 2b * -1) = 0
-8 + 9b + (-5 + -2b) = 0

Reorder the terms:
-8 + -5 + 9b + -2b = 0

Combine like terms: -8 + -5 = -13
-13 + 9b + -2b = 0

Combine like terms: 9b + -2b = 7b
-13 + 7b = 0

Solving
-13 + 7b = 0

Solving for variable 'b'.

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

Add '13' to each side of the equation.
-13 + 13 + 7b = 0 + 13

Combine like terms: -13 + 13 = 0
0 + 7b = 0 + 13
7b = 0 + 13

Combine like terms: 0 + 13 = 13
7b = 13

Divide each side by '7'.
b = 1.857142857

Simplifying
b = 1.857142857

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