.9x+.7(.9x)=100000

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Solution for .9x+.7(.9x)=100000 equation:



.9x+.7(.9x)=100000
We move all terms to the left:
.9x+.7(.9x)-(100000)=0
We add all the numbers together, and all the variables
.9x+.7(+.9x)-100000=0
We multiply parentheses
.9x+0.7x-100000=0
We add all the numbers together, and all the variables
1.6x-100000=0
We move all terms containing x to the left, all other terms to the right
1.6x=100000
x=100000/1.6
x=62500

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