30x-5+70x-5=90

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Solution for 30x-5+70x-5=90 equation: 



30x-5+70x-5=90

We move all terms to the left:

30x-5+70x-5-(90)=0

We add all the numbers together, and all the variables

100x-100=0

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

100x=100

x=100/100

x=1

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