4.2=-1.4(z-1.5)

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Solution for 4.2=-1.4(z-1.5) equation: 



4.2=-1.4(z-1.5)

We move all terms to the left:

4.2-(-1.4(z-1.5))=0



We calculate terms in parentheses: -(-1.4(z-1.5)), so:

-1.4(z-1.5)

We multiply parentheses

-1.4z+2.1

Back to the equation:

-(-1.4z+2.1)



We get rid of parentheses

1.4z-2.1+4.2=0

We add all the numbers together, and all the variables

1.4z+2.1=0

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

1.4z=-2.1

z=-2.1/1.4

z=-1+0.7/1.4

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