(8x-1)+(3x+4)+(3x+9)=1290

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Solution for (8x-1)+(3x+4)+(3x+9)=1290 equation: 



(8x-1)+(3x+4)+(3x+9)=1290

We move all terms to the left:

(8x-1)+(3x+4)+(3x+9)-(1290)=0

We get rid of parentheses

8x+3x+3x-1+4+9-1290=0

We add all the numbers together, and all the variables

14x-1278=0

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

14x=1278

x=1278/14

x=91+2/7

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