10+7w+7w-9=21w+10-7w-9

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Solution for 10+7w+7w-9=21w+10-7w-9 equation: 


Simplifying
10 + 7w + 7w + -9 = 21w + 10 + -7w + -9

Reorder the terms:
10 + -9 + 7w + 7w = 21w + 10 + -7w + -9

Combine like terms: 10 + -9 = 1
1 + 7w + 7w = 21w + 10 + -7w + -9

Combine like terms: 7w + 7w = 14w
1 + 14w = 21w + 10 + -7w + -9

Reorder the terms:
1 + 14w = 10 + -9 + 21w + -7w

Combine like terms: 10 + -9 = 1
1 + 14w = 1 + 21w + -7w

Combine like terms: 21w + -7w = 14w
1 + 14w = 1 + 14w

Add '-1' to each side of the equation.
1 + -1 + 14w = 1 + -1 + 14w

Combine like terms: 1 + -1 = 0
0 + 14w = 1 + -1 + 14w
14w = 1 + -1 + 14w

Combine like terms: 1 + -1 = 0
14w = 0 + 14w
14w = 14w

Add '-14w' to each side of the equation.
14w + -14w = 14w + -14w

Combine like terms: 14w + -14w = 0
0 = 14w + -14w

Combine like terms: 14w + -14w = 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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