0.4(z+0.7)=0.6(z-4.2)

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Solution for 0.4(z+0.7)=0.6(z-4.2) equation: 



0.4(z+0.7)=0.6(z-4.2)

We move all terms to the left:

0.4(z+0.7)-(0.6(z-4.2))=0

We multiply parentheses

0.4z-(0.6(z-4.2))+0.28=0



We calculate terms in parentheses: -(0.6(z-4.2)), so:

0.6(z-4.2)

We multiply parentheses

0.6z-2.52

Back to the equation:

-(0.6z-2.52)



We get rid of parentheses

0.4z-0.6z+2.52+0.28=0

We add all the numbers together, and all the variables

-0.2z+2.8=0

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

-0.2z=-2.8

z=-2.8/-0.2

z=13+0.2/0.2

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