140=7/15*x

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Solution for 140=7/15*x equation: 



140=7/15x

We move all terms to the left:

140-(7/15x)=0



Domain of the equation: 15x)!=0

x!=0/1

x!=0

x∈R



We add all the numbers together, and all the variables

-(+7/15x)+140=0

We get rid of parentheses

-7/15x+140=0

We multiply all the terms by the denominator


140*15x-7=0

Wy multiply elements

2100x-7=0

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

2100x=7

x=7/2100

x=1/300

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