-6z+3z-9=3(-z+7)

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Solution for -6z+3z-9=3(-z+7) equation:


Simplifying
-6z + 3z + -9 = 3(-1z + 7)

Reorder the terms:
-9 + -6z + 3z = 3(-1z + 7)

Combine like terms: -6z + 3z = -3z
-9 + -3z = 3(-1z + 7)

Reorder the terms:
-9 + -3z = 3(7 + -1z)
-9 + -3z = (7 * 3 + -1z * 3)
-9 + -3z = (21 + -3z)

Add '3z' to each side of the equation.
-9 + -3z + 3z = 21 + -3z + 3z

Combine like terms: -3z + 3z = 0
-9 + 0 = 21 + -3z + 3z
-9 = 21 + -3z + 3z

Combine like terms: -3z + 3z = 0
-9 = 21 + 0
-9 = 21

Solving
-9 = 21

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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