5x+10(100-x)=900

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Solution for 5x+10(100-x)=900 equation: 



5x+10(100-x)=900

We move all terms to the left:

5x+10(100-x)-(900)=0

We add all the numbers together, and all the variables

5x+10(-1x+100)-900=0

We multiply parentheses

5x-10x+1000-900=0

We add all the numbers together, and all the variables

-5x+100=0

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

-5x=-100

x=-100/-5

x=+20

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