4.5+3.1z+5.2-5.2z=8.65

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Solution for 4.5+3.1z+5.2-5.2z=8.65 equation: 


Simplifying
4.5 + 3.1z + 5.2 + -5.2z = 8.65

Reorder the terms:
4.5 + 5.2 + 3.1z + -5.2z = 8.65

Combine like terms: 4.5 + 5.2 = 9.7
9.7 + 3.1z + -5.2z = 8.65

Combine like terms: 3.1z + -5.2z = -2.1z
9.7 + -2.1z = 8.65

Solving
9.7 + -2.1z = 8.65

Solving for variable 'z'.

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

Add '-9.7' to each side of the equation.
9.7 + -9.7 + -2.1z = 8.65 + -9.7

Combine like terms: 9.7 + -9.7 = 0.0
0.0 + -2.1z = 8.65 + -9.7
-2.1z = 8.65 + -9.7

Combine like terms: 8.65 + -9.7 = -1.05
-2.1z = -1.05

Divide each side by '-2.1'.
z = 0.5

Simplifying
z = 0.5

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