x*0.3+3*0.7=5

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Solution for x*0.3+3*0.7=5 equation: 



x*0.3+3*0.7=5

We move all terms to the left:

x*0.3+3*0.7-(5)=0

determiningTheFunctionDomain
x*0.3-5+3*0.7=0

We add all the numbers together, and all the variables

x*0.3-2.9=0

Wy multiply elements

0.3x-2.9=0

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

0.3x=2.9

x=2.9/0.3

x=9+0.2/0.3

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