-2(4b+1)+(9b-7)=0

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Solution for -2(4b+1)+(9b-7)=0 equation:


Simplifying
-2(4b + 1) + (9b + -7) = 0

Reorder the terms:
-2(1 + 4b) + (9b + -7) = 0
(1 * -2 + 4b * -2) + (9b + -7) = 0
(-2 + -8b) + (9b + -7) = 0

Reorder the terms:
-2 + -8b + (-7 + 9b) = 0

Remove parenthesis around (-7 + 9b)
-2 + -8b + -7 + 9b = 0

Reorder the terms:
-2 + -7 + -8b + 9b = 0

Combine like terms: -2 + -7 = -9
-9 + -8b + 9b = 0

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

Solving
-9 + 1b = 0

Solving for variable 'b'.

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

Add '9' to each side of the equation.
-9 + 9 + 1b = 0 + 9

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

Combine like terms: 0 + 9 = 9
1b = 9

Divide each side by '1'.
b = 9

Simplifying
b = 9

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