2.1x=0.3(x-5)+0.2

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Solution for 2.1x=0.3(x-5)+0.2 equation: 



2.1x=0.3(x-5)+0.2

We move all terms to the left:

2.1x-(0.3(x-5)+0.2)=0



We calculate terms in parentheses: -(0.3(x-5)+0.2), so:

0.3(x-5)+0.2

We multiply parentheses

0.3x-1.5+0.2

We add all the numbers together, and all the variables

0.3x-1.3

Back to the equation:

-(0.3x-1.3)



We get rid of parentheses

2.1x-0.3x+1.3=0

We add all the numbers together, and all the variables

1.8x+1.3=0

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

1.8x=-1.3

x=-1.3/1.8

x=-1/1.3846153846154

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