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Maths Puzzle
Numerical Ability
The base of an isosceles triangle is 12 in. less than the length of the equal sides. If the perimeter of the triangle is 39 in., find the length of each sides.
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I was successfully help before but I have one more problem that needs a solution.
This problem is required to be solved through the process of elimination.
4x=36+8y
3x-6y=27