(21/3)x+4=18

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Solution for (21/3)x+4=18 equation:



(21/3)x+4=18
We move all terms to the left:
(21/3)x+4-(18)=0
Domain of the equation: 3)x!=0
x!=0/1
x!=0
x∈R
We add all the numbers together, and all the variables
7x+4-18=0
We add all the numbers together, and all the variables
7x-14=0
We move all terms containing x to the left, all other terms to the right
7x=14
x=14/7
x=2

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