5x+4x=1.8

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Solution for 5x+4x=1.8 equation: 



5x+4x=1.8

We move all terms to the left:

5x+4x-(1.8)=0

We add all the numbers together, and all the variables

9x-1.8=0

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

9x=1.8

x=1.8/9

x=1/5

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