15+30x=20+20x

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Solution for 15+30x=20+20x equation: 



15+30x=20+20x

We move all terms to the left:

15+30x-(20+20x)=0

We add all the numbers together, and all the variables

30x-(20x+20)+15=0

We get rid of parentheses

30x-20x-20+15=0

We add all the numbers together, and all the variables

10x-5=0

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

10x=5

x=5/10

x=1/2

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