-6(6b+3)-6(b+5)=78

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Solution for -6(6b+3)-6(b+5)=78 equation:


Simplifying
-6(6b + 3) + -6(b + 5) = 78

Reorder the terms:
-6(3 + 6b) + -6(b + 5) = 78
(3 * -6 + 6b * -6) + -6(b + 5) = 78
(-18 + -36b) + -6(b + 5) = 78

Reorder the terms:
-18 + -36b + -6(5 + b) = 78
-18 + -36b + (5 * -6 + b * -6) = 78
-18 + -36b + (-30 + -6b) = 78

Reorder the terms:
-18 + -30 + -36b + -6b = 78

Combine like terms: -18 + -30 = -48
-48 + -36b + -6b = 78

Combine like terms: -36b + -6b = -42b
-48 + -42b = 78

Solving
-48 + -42b = 78

Solving for variable 'b'.

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

Add '48' to each side of the equation.
-48 + 48 + -42b = 78 + 48

Combine like terms: -48 + 48 = 0
0 + -42b = 78 + 48
-42b = 78 + 48

Combine like terms: 78 + 48 = 126
-42b = 126

Divide each side by '-42'.
b = -3

Simplifying
b = -3

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