4+5=20-3x

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Solution for 4+5=20-3x equation: 



4+5=20-3x

We move all terms to the left:

4+5-(20-3x)=0

We add all the numbers together, and all the variables

-(-3x+20)+4+5=0

We add all the numbers together, and all the variables

-(-3x+20)+9=0

We get rid of parentheses

3x-20+9=0

We add all the numbers together, and all the variables

3x-11=0

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

3x=11

x=11/3

x=3+2/3

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