-7=0.74(3+10k)-5k

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Solution for -7=0.74(3+10k)-5k equation: 



-7=0.74(3+10k)-5k

We move all terms to the left:

-7-(0.74(3+10k)-5k)=0

We add all the numbers together, and all the variables

-(0.74(10k+3)-5k)-7=0



We calculate terms in parentheses: -(0.74(10k+3)-5k), so:

0.74(10k+3)-5k

We add all the numbers together, and all the variables

-5k+0.74(10k+3)

We multiply parentheses

-5k+7.4k+2.22

We add all the numbers together, and all the variables

2.4k+2.22

Back to the equation:

-(2.4k+2.22)



We get rid of parentheses

-2.4k-2.22-7=0

We add all the numbers together, and all the variables

-2.4k-9.22=0

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

-2.4k=9.22

k=9.22/-2.4

k=-3+1/1.1881188118812

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