3(z-5)=2z+z-7

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Solution for 3(z-5)=2z+z-7 equation: 


Simplifying
3(z + -5) = 2z + z + -7

Reorder the terms:
3(-5 + z) = 2z + z + -7
(-5 * 3 + z * 3) = 2z + z + -7
(-15 + 3z) = 2z + z + -7

Reorder the terms:
-15 + 3z = -7 + 2z + z

Combine like terms: 2z + z = 3z
-15 + 3z = -7 + 3z

Add '-3z' to each side of the equation.
-15 + 3z + -3z = -7 + 3z + -3z

Combine like terms: 3z + -3z = 0
-15 + 0 = -7 + 3z + -3z
-15 = -7 + 3z + -3z

Combine like terms: 3z + -3z = 0
-15 = -7 + 0
-15 = -7

Solving
-15 = -7

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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