-3w-(-9)=9-3w

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Solution for -3w-(-9)=9-3w equation:


Simplifying
-3w + -1(-9) = 9 + -3w

Multiply -1 * -9
-3w + 9 = 9 + -3w

Reorder the terms:
9 + -3w = 9 + -3w

Add '-9' to each side of the equation.
9 + -9 + -3w = 9 + -9 + -3w

Combine like terms: 9 + -9 = 0
0 + -3w = 9 + -9 + -3w
-3w = 9 + -9 + -3w

Combine like terms: 9 + -9 = 0
-3w = 0 + -3w
-3w = -3w

Add '3w' to each side of the equation.
-3w + 3w = -3w + 3w

Combine like terms: -3w + 3w = 0
0 = -3w + 3w

Combine like terms: -3w + 3w = 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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