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

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


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

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

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

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

Reorder the terms:
-7 + -6 + 7b + -6b = -3

Combine like terms: -7 + -6 = -13
-13 + 7b + -6b = -3

Combine like terms: 7b + -6b = 1b
-13 + 1b = -3

Solving
-13 + 1b = -3

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 = -3 + 13

Combine like terms: -13 + 13 = 0
0 + 1b = -3 + 13
1b = -3 + 13

Combine like terms: -3 + 13 = 10
1b = 10

Divide each side by '1'.
b = 10

Simplifying
b = 10

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