20x+9=16x+45

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Solution for 20x+9=16x+45 equation: 



20x+9=16x+45

We move all terms to the left:

20x+9-(16x+45)=0

We get rid of parentheses

20x-16x-45+9=0

We add all the numbers together, and all the variables

4x-36=0

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

4x=36

x=36/4

x=9

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