1+x+1-9=x-7

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Solution for 1+x+1-9=x-7 equation:


Simplifying
1 + x + 1 + -9 = x + -7

Reorder the terms:
1 + 1 + -9 + x = x + -7

Combine like terms: 1 + 1 = 2
2 + -9 + x = x + -7

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

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

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

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

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

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

Combine like terms: x + -1x = 0
0 = x + -1x

Combine like terms: x + -1x = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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