2x-4y-18=90

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Solution for 2x-4y-18=90 equation: 


Simplifying
2x + -4y + -18 = 90

Reorder the terms:
-18 + 2x + -4y = 90

Solving
-18 + 2x + -4y = 90

Solving for variable 'x'.

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

Add '18' to each side of the equation.
-18 + 2x + 18 + -4y = 90 + 18

Reorder the terms:
-18 + 18 + 2x + -4y = 90 + 18

Combine like terms: -18 + 18 = 0
0 + 2x + -4y = 90 + 18
2x + -4y = 90 + 18

Combine like terms: 90 + 18 = 108
2x + -4y = 108

Add '4y' to each side of the equation.
2x + -4y + 4y = 108 + 4y

Combine like terms: -4y + 4y = 0
2x + 0 = 108 + 4y
2x = 108 + 4y

Divide each side by '2'.
x = 54 + 2y

Simplifying
x = 54 + 2y

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