3*7x-3=18

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Solution for 3*7x-3=18 equation: 



3*7x-3=18

We move all terms to the left:

3*7x-3-(18)=0

We add all the numbers together, and all the variables

3*7x-21=0

Wy multiply elements

21x-21=0

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

21x=21

x=21/21

x=1

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