690(117+-13x)=690(105-1x)

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Solution for 690(117+-13x)=690(105-1x) equation:


Simplifying
690(117 + -13x) = 690(105 + -1x)
(117 * 690 + -13x * 690) = 690(105 + -1x)
(80730 + -8970x) = 690(105 + -1x)
80730 + -8970x = (105 * 690 + -1x * 690)
80730 + -8970x = (72450 + -690x)

Solving
80730 + -8970x = 72450 + -690x

Solving for variable 'x'.

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

Add '690x' to each side of the equation.
80730 + -8970x + 690x = 72450 + -690x + 690x

Combine like terms: -8970x + 690x = -8280x
80730 + -8280x = 72450 + -690x + 690x

Combine like terms: -690x + 690x = 0
80730 + -8280x = 72450 + 0
80730 + -8280x = 72450

Add '-80730' to each side of the equation.
80730 + -80730 + -8280x = 72450 + -80730

Combine like terms: 80730 + -80730 = 0
0 + -8280x = 72450 + -80730
-8280x = 72450 + -80730

Combine like terms: 72450 + -80730 = -8280
-8280x = -8280

Divide each side by '-8280'.
x = 1

Simplifying
x = 1

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