Two equal sides of an isoceles triangle are ( 3x -1 ) units and (2x + 2) units. The third side is 2x units . Find x the perimeter is 148 m.
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perimeter of triangle =sum of all sides
148=(3x-1)+(2x+2)+(2x)
148=3x-1+2x+2+2x
148=7x+1
148-1=7x
147/7=x
21=x answer
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