(8b-4)+(2b+7)=x

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


Simplifying
(8b + -4) + (2b + 7) = x

Reorder the terms:
(-4 + 8b) + (2b + 7) = x

Remove parenthesis around (-4 + 8b)
-4 + 8b + (2b + 7) = x

Reorder the terms:
-4 + 8b + (7 + 2b) = x

Remove parenthesis around (7 + 2b)
-4 + 8b + 7 + 2b = x

Reorder the terms:
-4 + 7 + 8b + 2b = x

Combine like terms: -4 + 7 = 3
3 + 8b + 2b = x

Combine like terms: 8b + 2b = 10b
3 + 10b = x

Solving
3 + 10b = x

Solving for variable 'b'.

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

Add '-3' to each side of the equation.
3 + -3 + 10b = -3 + x

Combine like terms: 3 + -3 = 0
0 + 10b = -3 + x
10b = -3 + x

Divide each side by '10'.
b = -0.3 + 0.1x

Simplifying
b = -0.3 + 0.1x

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