7x^2+X-18=2x^2+2x

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Solution for 7x^2+X-18=2x^2+2x equation:


Simplifying
7x2 + X + -18 = 2x2 + 2x

Reorder the terms:
-18 + X + 7x2 = 2x2 + 2x

Reorder the terms:
-18 + X + 7x2 = 2x + 2x2

Solving
-18 + X + 7x2 = 2x + 2x2

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 + X + 18 + 7x2 = 2x + 18 + 2x2

Reorder the terms:
-18 + 18 + X + 7x2 = 2x + 18 + 2x2

Combine like terms: -18 + 18 = 0
0 + X + 7x2 = 2x + 18 + 2x2
X + 7x2 = 2x + 18 + 2x2

Reorder the terms:
X + 7x2 = 18 + 2x + 2x2

Add '-7x2' to each side of the equation.
X + 7x2 + -7x2 = 18 + 2x + 2x2 + -7x2

Combine like terms: 7x2 + -7x2 = 0
X + 0 = 18 + 2x + 2x2 + -7x2
X = 18 + 2x + 2x2 + -7x2

Combine like terms: 2x2 + -7x2 = -5x2
X = 18 + 2x + -5x2

Simplifying
X = 18 + 2x + -5x2

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