Question

18x+y=12;14x+14y=112 solve eq^n​

Answer 1

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Answer 2

Answer:

Step-by-step explanation:

18x + y = 12 eq (1)

14x + 14y =112 eq(2)

multiply eq (1) with 14

18x + y = 12 eq (1)  X 14

252x + 14y  = 168

14x     + 14y  = 112

eq 2 - eq 1

252x - 14x + 14y - 14y = 168-112

238x  =  56

x = 4 / 17

sub x in eq 1

18(4/17) + y = 12

y = 12-(72/17)

y = (204-72) / 17

y =  132 / 17

x = 4 / 17  and y = 132 / 17