4x-(4x-9)=9

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Solution for 4x-(4x-9)=9 equation:


Simplifying
4x + -1(4x + -9) = 9

Reorder the terms:
4x + -1(-9 + 4x) = 9
4x + (-9 * -1 + 4x * -1) = 9
4x + (9 + -4x) = 9

Reorder the terms:
9 + 4x + -4x = 9

Combine like terms: 4x + -4x = 0
9 + 0 = 9
9 = 9

Add '-9' to each side of the equation.
9 + -9 = 9 + -9

Combine like terms: 9 + -9 = 0
0 = 9 + -9

Combine like terms: 9 + -9 = 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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