30+6x+13+9x+7=90

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Solution for 30+6x+13+9x+7=90 equation: 



30+6x+13+9x+7=90

We move all terms to the left:

30+6x+13+9x+7-(90)=0

We add all the numbers together, and all the variables

15x-40=0

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

15x=40

x=40/15

x=2+2/3

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