7z-91=15

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Solution for 7z-91=15 equation:


Simplifying
7z + -91 = 15

Reorder the terms:
-91 + 7z = 15

Solving
-91 + 7z = 15

Solving for variable 'z'.

Move all terms containing z to the left, all other terms to the right.

Add '91' to each side of the equation.
-91 + 91 + 7z = 15 + 91

Combine like terms: -91 + 91 = 0
0 + 7z = 15 + 91
7z = 15 + 91

Combine like terms: 15 + 91 = 106
7z = 106

Divide each side by '7'.
z = 15.14285714

Simplifying
z = 15.14285714

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