7z-10=2z

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Solution for 7z-10=2z equation:


Simplifying
7z + -10 = 2z

Reorder the terms:
-10 + 7z = 2z

Solving
-10 + 7z = 2z

Solving for variable 'z'.

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

Add '-2z' to each side of the equation.
-10 + 7z + -2z = 2z + -2z

Combine like terms: 7z + -2z = 5z
-10 + 5z = 2z + -2z

Combine like terms: 2z + -2z = 0
-10 + 5z = 0

Add '10' to each side of the equation.
-10 + 10 + 5z = 0 + 10

Combine like terms: -10 + 10 = 0
0 + 5z = 0 + 10
5z = 0 + 10

Combine like terms: 0 + 10 = 10
5z = 10

Divide each side by '5'.
z = 2

Simplifying
z = 2

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