15+4z+7z-9=18z+11-7z-5

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Solution for 15+4z+7z-9=18z+11-7z-5 equation:


Simplifying
15 + 4z + 7z + -9 = 18z + 11 + -7z + -5

Reorder the terms:
15 + -9 + 4z + 7z = 18z + 11 + -7z + -5

Combine like terms: 15 + -9 = 6
6 + 4z + 7z = 18z + 11 + -7z + -5

Combine like terms: 4z + 7z = 11z
6 + 11z = 18z + 11 + -7z + -5

Reorder the terms:
6 + 11z = 11 + -5 + 18z + -7z

Combine like terms: 11 + -5 = 6
6 + 11z = 6 + 18z + -7z

Combine like terms: 18z + -7z = 11z
6 + 11z = 6 + 11z

Add '-6' to each side of the equation.
6 + -6 + 11z = 6 + -6 + 11z

Combine like terms: 6 + -6 = 0
0 + 11z = 6 + -6 + 11z
11z = 6 + -6 + 11z

Combine like terms: 6 + -6 = 0
11z = 0 + 11z
11z = 11z

Add '-11z' to each side of the equation.
11z + -11z = 11z + -11z

Combine like terms: 11z + -11z = 0
0 = 11z + -11z

Combine like terms: 11z + -11z = 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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