3x+5.50x=7,900

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Solution for 3x+5.50x=7,900 equation: 



3x+5.50x=7.900

We move all terms to the left:

3x+5.50x-(7.900)=0

We add all the numbers together, and all the variables

3x+5.50x-(7.9)=0

We add all the numbers together, and all the variables

8.5x-7.9=0

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

8.5x=7.9

x=7.9/8.5

x=4.1578947368421/4.4736842105263

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