-3z-9=3(-z-3)

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


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

Reorder the terms:
-9 + -3z = 3(-1z + -3)

Reorder the terms:
-9 + -3z = 3(-3 + -1z)
-9 + -3z = (-3 * 3 + -1z * 3)
-9 + -3z = (-9 + -3z)

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

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

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

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

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

Combine like terms: -3z + 3z = 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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