19+x+7x-9=90

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Solution for 19+x+7x-9=90 equation:



19+x+7x-9=90
We move all terms to the left:
19+x+7x-9-(90)=0
We add all the numbers together, and all the variables
8x-80=0
We move all terms containing x to the left, all other terms to the right
8x=80
x=80/8
x=10

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