15z-7.4=3.5-6.4z

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Solution for 15z-7.4=3.5-6.4z equation: 



15z-7.4=3.5-6.4z

We move all terms to the left:

15z-7.4-(3.5-6.4z)=0

We add all the numbers together, and all the variables

15z-(-6.4z+3.5)-7.4=0

We get rid of parentheses

15z+6.4z-3.5-7.4=0

We add all the numbers together, and all the variables

21.4z-10.9=0

We move all terms containing z to the left, all other terms to the right

21.4z=10.9

z=10.9/21.4

z=5.7368421052632/11.263157894737

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