4(x)+9(x)=30

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Solution for 4(x)+9(x)=30 equation: 



4(x)+9(x)=30

We move all terms to the left:

4(x)+9(x)-(30)=0

We add all the numbers together, and all the variables

13x-30=0

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

13x=30

x=30/13

x=2+4/13

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