(16b-8)-5(3b+4)=-7

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Solution for (16b-8)-5(3b+4)=-7 equation:


Simplifying
(16b + -8) + -5(3b + 4) = -7

Reorder the terms:
(-8 + 16b) + -5(3b + 4) = -7

Remove parenthesis around (-8 + 16b)
-8 + 16b + -5(3b + 4) = -7

Reorder the terms:
-8 + 16b + -5(4 + 3b) = -7
-8 + 16b + (4 * -5 + 3b * -5) = -7
-8 + 16b + (-20 + -15b) = -7

Reorder the terms:
-8 + -20 + 16b + -15b = -7

Combine like terms: -8 + -20 = -28
-28 + 16b + -15b = -7

Combine like terms: 16b + -15b = 1b
-28 + 1b = -7

Solving
-28 + 1b = -7

Solving for variable 'b'.

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

Add '28' to each side of the equation.
-28 + 28 + 1b = -7 + 28

Combine like terms: -28 + 28 = 0
0 + 1b = -7 + 28
1b = -7 + 28

Combine like terms: -7 + 28 = 21
1b = 21

Divide each side by '1'.
b = 21

Simplifying
b = 21

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