38(18-5.5x)=13(5x-7)+7.8

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Solution for 38(18-5.5x)=13(5x-7)+7.8 equation:


Simplifying
38(18 + -5.5x) = 13(5x + -7) + 7.8
(18 * 38 + -5.5x * 38) = 13(5x + -7) + 7.8
(684 + -209x) = 13(5x + -7) + 7.8

Reorder the terms:
684 + -209x = 13(-7 + 5x) + 7.8
684 + -209x = (-7 * 13 + 5x * 13) + 7.8
684 + -209x = (-91 + 65x) + 7.8

Reorder the terms:
684 + -209x = -91 + 7.8 + 65x

Combine like terms: -91 + 7.8 = -83.2
684 + -209x = -83.2 + 65x

Solving
684 + -209x = -83.2 + 65x

Solving for variable 'x'.

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

Add '-65x' to each side of the equation.
684 + -209x + -65x = -83.2 + 65x + -65x

Combine like terms: -209x + -65x = -274x
684 + -274x = -83.2 + 65x + -65x

Combine like terms: 65x + -65x = 0
684 + -274x = -83.2 + 0
684 + -274x = -83.2

Add '-684' to each side of the equation.
684 + -684 + -274x = -83.2 + -684

Combine like terms: 684 + -684 = 0
0 + -274x = -83.2 + -684
-274x = -83.2 + -684

Combine like terms: -83.2 + -684 = -767.2
-274x = -767.2

Divide each side by '-274'.
x = 2.8

Simplifying
x = 2.8

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