the cost of 2 pens and 3 pencils is 26 and the cost of 3 pens and 2 pencils is rs.34 find the cost of one pencil and one pen
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let the cost of 1 pencil be X and one pencil be Y
{2X + 3Y = 26} × 3
{3X + 2Y = 34} × 2
6X + 9Y = 78
6X + 4Y = 68
-. -. -.
0 + 5Y = 10
Y = 2
X = 10
{2X + 3Y = 26} × 3
{3X + 2Y = 34} × 2
6X + 9Y = 78
6X + 4Y = 68
-. -. -.
0 + 5Y = 10
Y = 2
X = 10
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