6.4+2.1(z-2)=85

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Solution for 6.4+2.1(z-2)=85 equation:


6.4+2.1(z-2)=85

We simplify the equation to the form, which is simple to understand 
6.4+2.1(z-2)=85

Reorder the terms in parentheses
6.4+(+2.1z-4.2)=85

Remove unnecessary parentheses
+6.4+2.1z-4.2=+85

We move all terms containing z to the left and all other terms to the right. 
+2.1z=+85-6.4+4.2

We simplify left and right side of the equation. 
+2.1z=+82.8

We divide both sides of the equation by 2.1 to get z. 
z=39.4285714286

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