Answer
x = 2
y = 1
Work Step by Step
5x + 10 y = 20
2x + 6y = 10
to the second equation divide by 3
x + 3y = 5
minu 3y to both sides
x + 3y - 3y = 5 - 3y
x = 5 - 3y
substitude x to the first equation
5 ( 5 - 3y ) + 10 y = 20
25 - 15 y + 10y = 20
25 - 5y = 20 minus 25 to both sides
25 - 5y - 25 = 20 - 25
-5y = -5 divide by -5 both sides
$\frac{-5y}{-5}$ = $\frac{-5}{-5}$
y = 1 substitude y = 1 to x = 5 - 3y
x = 5 - $3\times1$
x = 5 - 3
x = 2
