X^2+2x-7=2x+9

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Solution for X^2+2x-7=2x+9 equation: 


Simplifying
X2 + 2x + -7 = 2x + 9

Reorder the terms:
-7 + X2 + 2x = 2x + 9

Reorder the terms:
-7 + X2 + 2x = 9 + 2x

Add '-2x' to each side of the equation.
-7 + X2 + 2x + -2x = 9 + 2x + -2x

Combine like terms: 2x + -2x = 0
-7 + X2 + 0 = 9 + 2x + -2x
-7 + X2 = 9 + 2x + -2x

Combine like terms: 2x + -2x = 0
-7 + X2 = 9 + 0
-7 + X2 = 9

Solving
-7 + X2 = 9

Solving for variable 'X'.

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

Add '7' to each side of the equation.
-7 + 7 + X2 = 9 + 7

Combine like terms: -7 + 7 = 0
0 + X2 = 9 + 7
X2 = 9 + 7

Combine like terms: 9 + 7 = 16
X2 = 16

Simplifying
X2 = 16

Take the square root of each side:
X = {-4, 4}

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