7.2-z=-12.9

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Solution for 7.2-z=-12.9 equation: 


Simplifying
7.2 + -1z = -12.9

Solving
7.2 + -1z = -12.9

Solving for variable 'z'.

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

Add '-7.2' to each side of the equation.
7.2 + -7.2 + -1z = -12.9 + -7.2

Combine like terms: 7.2 + -7.2 = 0.0
0.0 + -1z = -12.9 + -7.2
-1z = -12.9 + -7.2

Combine like terms: -12.9 + -7.2 = -20.1
-1z = -20.1

Divide each side by '-1'.
z = 20.1

Simplifying
z = 20.1

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