x=4.2(x-3)+7=23

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Solution for x=4.2(x-3)+7=23 equation: 



x=4.2(x-3)+7=23

We move all terms to the left:

x-(4.2(x-3)+7)=0



We calculate terms in parentheses: -(4.2(x-3)+7), so:

4.2(x-3)+7

We multiply parentheses

4.2x-12.6+7

We add all the numbers together, and all the variables

4.2x-5.6

Back to the equation:

-(4.2x-5.6)



We get rid of parentheses

x-4.2x+5.6=0

We add all the numbers together, and all the variables

-3.2x+5.6=0

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

-3.2x=-5.6

x=-5.6/-3.2

x=1+2.4/3.2

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