An equilateral triangle has a perimeter of 12x+18 units. Which expression can be used to show the length of one side of the tria
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the answer is 9.
ie.. the value of x =9
In the above question 13m=156 we are dividing both sides by 13 so that m=12 .As
According to Division property of Equality: If you divide one side of an equation by a number, you also must divide the other side by the same number so that your equation stays the same.
The property Division Property of Equality is justified .