(8-5)*68.8+(12+x)*80=

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Solution for (8-5)*68.8+(12+x)*80= equation: 


Simplifying
(8 + -5) * 68.8 + (12 + x) * 80 = 0

Combine like terms: 8 + -5 = 3
(3) * 68.8 + (12 + x) * 80 = 0

Multiply 3 * 68.8
206.4 + (12 + x) * 80 = 0

Reorder the terms for easier multiplication:
206.4 + 80(12 + x) = 0
206.4 + (12 * 80 + x * 80) = 0
206.4 + (960 + 80x) = 0

Combine like terms: 206.4 + 960 = 1166.4
1166.4 + 80x = 0

Solving
1166.4 + 80x = 0

Solving for variable 'x'.

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

Add '-1166.4' to each side of the equation.
1166.4 + -1166.4 + 80x = 0 + -1166.4

Combine like terms: 1166.4 + -1166.4 = 0.0
0.0 + 80x = 0 + -1166.4
80x = 0 + -1166.4

Combine like terms: 0 + -1166.4 = -1166.4
80x = -1166.4

Divide each side by '80'.
x = -14.58

Simplifying
x = -14.58

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