x^2-7x-8=x^2

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Solution for x^2-7x-8=x^2 equation:


Simplifying
x2 + -7x + -8 = x2

Reorder the terms:
-8 + -7x + x2 = x2

Add '-1x2' to each side of the equation.
-8 + -7x + x2 + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-8 + -7x + 0 = x2 + -1x2
-8 + -7x = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-8 + -7x = 0

Solving
-8 + -7x = 0

Solving for variable 'x'.

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

Add '8' to each side of the equation.
-8 + 8 + -7x = 0 + 8

Combine like terms: -8 + 8 = 0
0 + -7x = 0 + 8
-7x = 0 + 8

Combine like terms: 0 + 8 = 8
-7x = 8

Divide each side by '-7'.
x = -1.142857143

Simplifying
x = -1.142857143

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