(4k-7)+(3k+6)=90

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Solution for (4k-7)+(3k+6)=90 equation: 



(4k-7)+(3k+6)=90

We move all terms to the left:

(4k-7)+(3k+6)-(90)=0

We get rid of parentheses

4k+3k-7+6-90=0

We add all the numbers together, and all the variables

7k-91=0

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

7k=91

k=91/7

k=13

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