18+-4y+5z+4y-5z=18

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Solution for 18+-4y+5z+4y-5z=18 equation: 


Simplifying
18 + -4y + 5z + 4y + -5z = 18

Reorder the terms:
18 + -4y + 4y + 5z + -5z = 18

Combine like terms: -4y + 4y = 0
18 + 0 + 5z + -5z = 18
18 + 5z + -5z = 18

Combine like terms: 5z + -5z = 0
18 + 0 = 18
18 = 18

Add '-18' to each side of the equation.
18 + -18 = 18 + -18

Combine like terms: 18 + -18 = 0
0 = 18 + -18

Combine like terms: 18 + -18 = 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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