-7(b+6)+-4(8+2b)=-15-4

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Solution for -7(b+6)+-4(8+2b)=-15-4 equation:


Simplifying
-7(b + 6) + -4(8 + 2b) = -15 + -4

Reorder the terms:
-7(6 + b) + -4(8 + 2b) = -15 + -4
(6 * -7 + b * -7) + -4(8 + 2b) = -15 + -4
(-42 + -7b) + -4(8 + 2b) = -15 + -4
-42 + -7b + (8 * -4 + 2b * -4) = -15 + -4
-42 + -7b + (-32 + -8b) = -15 + -4

Reorder the terms:
-42 + -32 + -7b + -8b = -15 + -4

Combine like terms: -42 + -32 = -74
-74 + -7b + -8b = -15 + -4

Combine like terms: -7b + -8b = -15b
-74 + -15b = -15 + -4

Combine like terms: -15 + -4 = -19
-74 + -15b = -19

Solving
-74 + -15b = -19

Solving for variable 'b'.

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

Add '74' to each side of the equation.
-74 + 74 + -15b = -19 + 74

Combine like terms: -74 + 74 = 0
0 + -15b = -19 + 74
-15b = -19 + 74

Combine like terms: -19 + 74 = 55
-15b = 55

Divide each side by '-15'.
b = -3.666666667

Simplifying
b = -3.666666667

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