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

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


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

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

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

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

Reorder the terms:
-9 + -9 + 7b + -6b = -2

Combine like terms: -9 + -9 = -18
-18 + 7b + -6b = -2

Combine like terms: 7b + -6b = 1b
-18 + 1b = -2

Solving
-18 + 1b = -2

Solving for variable 'b'.

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

Add '18' to each side of the equation.
-18 + 18 + 1b = -2 + 18

Combine like terms: -18 + 18 = 0
0 + 1b = -2 + 18
1b = -2 + 18

Combine like terms: -2 + 18 = 16
1b = 16

Divide each side by '1'.
b = 16

Simplifying
b = 16

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