(19b-3)-9(2b+2)=-7

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Solution for (19b-3)-9(2b+2)=-7 equation:


Simplifying
(19b + -3) + -9(2b + 2) = -7

Reorder the terms:
(-3 + 19b) + -9(2b + 2) = -7

Remove parenthesis around (-3 + 19b)
-3 + 19b + -9(2b + 2) = -7

Reorder the terms:
-3 + 19b + -9(2 + 2b) = -7
-3 + 19b + (2 * -9 + 2b * -9) = -7
-3 + 19b + (-18 + -18b) = -7

Reorder the terms:
-3 + -18 + 19b + -18b = -7

Combine like terms: -3 + -18 = -21
-21 + 19b + -18b = -7

Combine like terms: 19b + -18b = 1b
-21 + 1b = -7

Solving
-21 + 1b = -7

Solving for variable 'b'.

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

Add '21' to each side of the equation.
-21 + 21 + 1b = -7 + 21

Combine like terms: -21 + 21 = 0
0 + 1b = -7 + 21
1b = -7 + 21

Combine like terms: -7 + 21 = 14
1b = 14

Divide each side by '1'.
b = 14

Simplifying
b = 14

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