9.3z-8.3z-7.2=5.3+8.4

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Solution for 9.3z-8.3z-7.2=5.3+8.4 equation:


Simplifying
9.3z + -8.3z + -7.2 = 5.3 + 8.4

Reorder the terms:
-7.2 + 9.3z + -8.3z = 5.3 + 8.4

Combine like terms: 9.3z + -8.3z = 1z
-7.2 + 1z = 5.3 + 8.4

Combine like terms: 5.3 + 8.4 = 13.7
-7.2 + 1z = 13.7

Solving
-7.2 + 1z = 13.7

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 = 13.7 + 7.2

Combine like terms: -7.2 + 7.2 = 0.0
0.0 + 1z = 13.7 + 7.2
1z = 13.7 + 7.2

Combine like terms: 13.7 + 7.2 = 20.9
1z = 20.9

Divide each side by '1'.
z = 20.9

Simplifying
z = 20.9

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