(16b-7)-5(3b+1)=-4

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Solution for (16b-7)-5(3b+1)=-4 equation:


Simplifying
(16b + -7) + -5(3b + 1) = -4

Reorder the terms:
(-7 + 16b) + -5(3b + 1) = -4

Remove parenthesis around (-7 + 16b)
-7 + 16b + -5(3b + 1) = -4

Reorder the terms:
-7 + 16b + -5(1 + 3b) = -4
-7 + 16b + (1 * -5 + 3b * -5) = -4
-7 + 16b + (-5 + -15b) = -4

Reorder the terms:
-7 + -5 + 16b + -15b = -4

Combine like terms: -7 + -5 = -12
-12 + 16b + -15b = -4

Combine like terms: 16b + -15b = 1b
-12 + 1b = -4

Solving
-12 + 1b = -4

Solving for variable 'b'.

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

Add '12' to each side of the equation.
-12 + 12 + 1b = -4 + 12

Combine like terms: -12 + 12 = 0
0 + 1b = -4 + 12
1b = -4 + 12

Combine like terms: -4 + 12 = 8
1b = 8

Divide each side by '1'.
b = 8

Simplifying
b = 8

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