7+7+7+7+7+7+7+7-7-7-7-7-7-7-7-7-x+x=

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


Simplifying
7 + 7 + 7 + 7 + 7 + 7 + 7 + 7 + -7 + -7 + -7 + -7 + -7 + -7 + -7 + -7 + -1x + x = 0

Combine like terms: 7 + 7 = 14
14 + 7 + 7 + 7 + 7 + 7 + 7 + -7 + -7 + -7 + -7 + -7 + -7 + -7 + -7 + -1x + x = 0

Combine like terms: 14 + 7 = 21
21 + 7 + 7 + 7 + 7 + 7 + -7 + -7 + -7 + -7 + -7 + -7 + -7 + -7 + -1x + x = 0

Combine like terms: 21 + 7 = 28
28 + 7 + 7 + 7 + 7 + -7 + -7 + -7 + -7 + -7 + -7 + -7 + -7 + -1x + x = 0

Combine like terms: 28 + 7 = 35
35 + 7 + 7 + 7 + -7 + -7 + -7 + -7 + -7 + -7 + -7 + -7 + -1x + x = 0

Combine like terms: 35 + 7 = 42
42 + 7 + 7 + -7 + -7 + -7 + -7 + -7 + -7 + -7 + -7 + -1x + x = 0

Combine like terms: 42 + 7 = 49
49 + 7 + -7 + -7 + -7 + -7 + -7 + -7 + -7 + -7 + -1x + x = 0

Combine like terms: 49 + 7 = 56
56 + -7 + -7 + -7 + -7 + -7 + -7 + -7 + -7 + -1x + x = 0

Combine like terms: 56 + -7 = 49
49 + -7 + -7 + -7 + -7 + -7 + -7 + -7 + -1x + x = 0

Combine like terms: 49 + -7 = 42
42 + -7 + -7 + -7 + -7 + -7 + -7 + -1x + x = 0

Combine like terms: 42 + -7 = 35
35 + -7 + -7 + -7 + -7 + -7 + -1x + x = 0

Combine like terms: 35 + -7 = 28
28 + -7 + -7 + -7 + -7 + -1x + x = 0

Combine like terms: 28 + -7 = 21
21 + -7 + -7 + -7 + -1x + x = 0

Combine like terms: 21 + -7 = 14
14 + -7 + -7 + -1x + x = 0

Combine like terms: 14 + -7 = 7
7 + -7 + -1x + x = 0

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

Combine like terms: -1x + x = 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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