(9b-7)-2(4b+3)=

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Solution for (9b-7)-2(4b+3)= equation:


Simplifying
(9b + -7) + -2(4b + 3) = 0

Reorder the terms:
(-7 + 9b) + -2(4b + 3) = 0

Remove parenthesis around (-7 + 9b)
-7 + 9b + -2(4b + 3) = 0

Reorder the terms:
-7 + 9b + -2(3 + 4b) = 0
-7 + 9b + (3 * -2 + 4b * -2) = 0
-7 + 9b + (-6 + -8b) = 0

Reorder the terms:
-7 + -6 + 9b + -8b = 0

Combine like terms: -7 + -6 = -13
-13 + 9b + -8b = 0

Combine like terms: 9b + -8b = 1b
-13 + 1b = 0

Solving
-13 + 1b = 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 + 1b = 0 + 13

Combine like terms: -13 + 13 = 0
0 + 1b = 0 + 13
1b = 0 + 13

Combine like terms: 0 + 13 = 13
1b = 13

Divide each side by '1'.
b = 13

Simplifying
b = 13

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