20+10x-4=15-9

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Solution for 20+10x-4=15-9 equation: 



20+10x-4=15-9

We move all terms to the left:

20+10x-4-(15-9)=0

We add all the numbers together, and all the variables

10x+20-4-6=0

We add all the numbers together, and all the variables

10x+10=0

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

10x=-10

x=-10/10

x=-1

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