2*-2+4=-18-9*-2

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Solution for 2*-2+4=-18-9*-2 equation: 


Simplifying
2 * -2 + 4 = -18 + -9 * -2

Multiply 2 * -2
-4 + 4 = -18 + -9 * -2

Combine like terms: -4 + 4 = 0
0 = -18 + -9 * -2

Multiply -9 * -2
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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