7z-9=7(z-13)

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Solution for 7z-9=7(z-13) equation:


Simplifying
7z + -9 = 7(z + -13)

Reorder the terms:
-9 + 7z = 7(z + -13)

Reorder the terms:
-9 + 7z = 7(-13 + z)
-9 + 7z = (-13 * 7 + z * 7)
-9 + 7z = (-91 + 7z)

Add '-7z' to each side of the equation.
-9 + 7z + -7z = -91 + 7z + -7z

Combine like terms: 7z + -7z = 0
-9 + 0 = -91 + 7z + -7z
-9 = -91 + 7z + -7z

Combine like terms: 7z + -7z = 0
-9 = -91 + 0
-9 = -91

Solving
-9 = -91

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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