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

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


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

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

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

Reorder the terms:
-7 + 9b + -4(3 + 2b) = -2
-7 + 9b + (3 * -4 + 2b * -4) = -2
-7 + 9b + (-12 + -8b) = -2

Reorder the terms:
-7 + -12 + 9b + -8b = -2

Combine like terms: -7 + -12 = -19
-19 + 9b + -8b = -2

Combine like terms: 9b + -8b = 1b
-19 + 1b = -2

Solving
-19 + 1b = -2

Solving for variable 'b'.

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

Add '19' to each side of the equation.
-19 + 19 + 1b = -2 + 19

Combine like terms: -19 + 19 = 0
0 + 1b = -2 + 19
1b = -2 + 19

Combine like terms: -2 + 19 = 17
1b = 17

Divide each side by '1'.
b = 17

Simplifying
b = 17

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