x*3+7=16

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Solution for x*3+7=16 equation: 



x*3+7=16

We move all terms to the left:

x*3+7-(16)=0

We add all the numbers together, and all the variables

x*3-9=0

Wy multiply elements

3x-9=0

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

3x=9

x=9/3

x=3

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