Question

solve the system of equations: 7x + 2y = 8 -5x - 2y = -12

Answer 1

Step-by-step explanation:

x=-16 and y=45 ye hai beta eska ans

Answer 2

Answer:

x=-2. , y=11

step by step explanation:-

7x + 2y = 8 eq.(i)

-5x - 2y = -12 eq.ii)

adding eq.i and eq.ii we get

=> 2x= -4

=> x= -2

putting x= -2 in eq (i) and we get

=> 7(-2)+2y=8

=> 2y=22

=> y=11

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