7.8x+7.4+6.8x+6.4=102.86

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Solution for 7.8x+7.4+6.8x+6.4=102.86 equation: 



7.8x+7.4+6.8x+6.4=102.86

We move all terms to the left:

7.8x+7.4+6.8x+6.4-(102.86)=0

We add all the numbers together, and all the variables

14.6x-89.06=0

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

14.6x=89.06

x=89.06/14.6

x=6+1/10

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