Hi,

solve for x and y by using elimination.

 3x+5y=-1      |Multiplying 1st EQ by 4, 2nd by 3 and subtracting to eliminate  x

 4x+7y=4     

  -y = -16

   y = 16   and x = -27

and...

 

RELATED QUESTIONS

Solve by elimination method

1. x+4y=16
   3x+5y=20

2. Bx+4y=16
   4x-7y=26



 (answered by josgarithmetic,math_tutor2020)

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