3x+6*3x=7

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Solution for 3x+6*3x=7 equation:



3x+6*3x=7
We move all terms to the left:
3x+6*3x-(7)=0
Wy multiply elements
3x+18x-7=0
We add all the numbers together, and all the variables
21x-7=0
We move all terms containing x to the left, all other terms to the right
21x=7
x=7/21
x=1/3

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