13.1-0.7z=8.2

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Solution for 13.1-0.7z=8.2 equation: 


Simplifying
13.1 + -0.7z = 8.2

Solving
13.1 + -0.7z = 8.2

Solving for variable 'z'.

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

Add '-13.1' to each side of the equation.
13.1 + -13.1 + -0.7z = 8.2 + -13.1

Combine like terms: 13.1 + -13.1 = 0.0
0.0 + -0.7z = 8.2 + -13.1
-0.7z = 8.2 + -13.1

Combine like terms: 8.2 + -13.1 = -4.9
-0.7z = -4.9

Divide each side by '-0.7'.
z = 7

Simplifying
z = 7

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