3000+x=4200+0.12x

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Solution for 3000+x=4200+0.12x equation: 



3000+x=4200+0.12x

We move all terms to the left:

3000+x-(4200+0.12x)=0

We add all the numbers together, and all the variables

x-(0.12x+4200)+3000=0

We get rid of parentheses

x-0.12x-4200+3000=0

We add all the numbers together, and all the variables

0.88x-1200=0

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

0.88x=1200

x=1200/0.88

x=1363+0.56/0.88

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