3(x+2.9)=21

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Solution for 3(x+2.9)=21 equation: 



3(x+2.9)=21

We move all terms to the left:

3(x+2.9)-(21)=0

We multiply parentheses

3x+8.7-21=0

We add all the numbers together, and all the variables

3x-12.3=0

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

3x=12.3

x=12.3/3

x=4+0.3/3

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