2x-68.4=90

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Solution for 2x-68.4=90 equation: 


Simplifying
2x + -68.4 = 90

Reorder the terms:
-68.4 + 2x = 90

Solving
-68.4 + 2x = 90

Solving for variable 'x'.

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

Add '68.4' to each side of the equation.
-68.4 + 68.4 + 2x = 90 + 68.4

Combine like terms: -68.4 + 68.4 = 0.0
0.0 + 2x = 90 + 68.4
2x = 90 + 68.4

Combine like terms: 90 + 68.4 = 158.4
2x = 158.4

Divide each side by '2'.
x = 79.2

Simplifying
x = 79.2

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