3x+2y=18 , 8x+6y=50 if x represents the cost of a birthday card and y represents the cost of a thank you note how much does each birthday card cost

asked Nov 19, 2019 26.7k views

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(-9x-6y=-54) +(8x+6y=50)= -x=-4; x=4
3(4)+2y=18
12+2y=18
2y=6 ; y=3
Each birthday card costs 4

Yburyug answered Nov 25, 2019

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