Question

5x−7y=58 y = -x +2 Y= X= Please help me walk through it

Answer 1

Answer : x=-2,y=4.
The second equation is multiplied by 5 and give it equation (3) and then subtract the first and third equations .You’ll first get the value ‘y’ and then substitute the value of ‘y’ in the first equation.Finally you’ll get the value of ‘x’.