18-7z=4

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Solution for 18-7z=4 equation: 


Simplifying
18 + -7z = 4

Solving
18 + -7z = 4

Solving for variable 'z'.

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

Add '-18' to each side of the equation.
18 + -18 + -7z = 4 + -18

Combine like terms: 18 + -18 = 0
0 + -7z = 4 + -18
-7z = 4 + -18

Combine like terms: 4 + -18 = -14
-7z = -14

Divide each side by '-7'.
z = 2

Simplifying
z = 2

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