7.4=3(c+1.21)-3.4

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Solution for 7.4=3(c+1.21)-3.4 equation: 



7.4=3(c+1.21)-3.4

We move all terms to the left:

7.4-(3(c+1.21)-3.4)=0



We calculate terms in parentheses: -(3(c+1.21)-3.4), so:

3(c+1.21)-3.4

We multiply parentheses

3c+3.63-3.4

We add all the numbers together, and all the variables

3c+0.23

Back to the equation:

-(3c+0.23)



We get rid of parentheses

-3c-0.23+7.4=0

We add all the numbers together, and all the variables

-3c+7.17=0

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

-3c=-7.17

c=-7.17/-3

c=2+1/2.5641025641026

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