3(0.7+2.8)=7(1.5z+7.2)

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Solution for 3(0.7+2.8)=7(1.5z+7.2) equation: 



3(0.7+2.8)=7(1.5z+7.2)

We move all terms to the left:

3(0.7+2.8)-(7(1.5z+7.2))=0

We add all the numbers together, and all the variables

-(7(1.5z+7.2))+3(3.5)=0

We add all the numbers together, and all the variables

-(7(1.5z+7.2))+10.5=0



We calculate terms in parentheses: -(7(1.5z+7.2)), so:

7(1.5z+7.2)

We multiply parentheses

7z+50.4

Back to the equation:

-(7z+50.4)



We get rid of parentheses

-7z-50.4+10.5=0

We add all the numbers together, and all the variables

-7z-39.9=0

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

-7z=39.9

z=39.9/-7

z=-5+2.5789473684211/3.6842105263158

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