-7b-4=-3(5b+4)

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Solution for -7b-4=-3(5b+4) equation:


Simplifying
-7b + -4 = -3(5b + 4)

Reorder the terms:
-4 + -7b = -3(5b + 4)

Reorder the terms:
-4 + -7b = -3(4 + 5b)
-4 + -7b = (4 * -3 + 5b * -3)
-4 + -7b = (-12 + -15b)

Solving
-4 + -7b = -12 + -15b

Solving for variable 'b'.

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

Add '15b' to each side of the equation.
-4 + -7b + 15b = -12 + -15b + 15b

Combine like terms: -7b + 15b = 8b
-4 + 8b = -12 + -15b + 15b

Combine like terms: -15b + 15b = 0
-4 + 8b = -12 + 0
-4 + 8b = -12

Add '4' to each side of the equation.
-4 + 4 + 8b = -12 + 4

Combine like terms: -4 + 4 = 0
0 + 8b = -12 + 4
8b = -12 + 4

Combine like terms: -12 + 4 = -8
8b = -8

Divide each side by '8'.
b = -1

Simplifying
b = -1

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