Question

solve for Indicated Variable
2x-5y=10
Solve for X and Y ​

Answer 1

2x-5y=10_______(1)

let x be 2,

so,

2*2-5y=10

4-5y=10

5y=10-6

y=(10-6)/5

y=2-6

y=(-4)

so,

put the value of y in (1)

so,

2x-5*(-4)=10

2x-(-20)=10

2x+20=10

2x=10-20

2x=(-10)

x=(-10)/2

x=(-5)