2(2.1z+4.5)=21.6

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Solution for 2(2.1z+4.5)=21.6 equation: 



2(2.1z+4.5)=21.6

We move all terms to the left:

2(2.1z+4.5)-(21.6)=0

We add all the numbers together, and all the variables

2(2.1z+4.5)-21.6=0

We multiply parentheses

4z+9-21.6=0

We add all the numbers together, and all the variables

4z-12.6=0

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

4z=12.6

z=12.6/4

z=3+0.6/4

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