x+2y=7 4x+3y=13

Question

x+2y=7

4x+3y=13

X=

Y=

Answer 1

Equation 2 - 4 * Equation 1

(4x + 3y) - 4(x+2y) = 13 - 4(7)

4x + 3y - 4x - 8y = 13 - 28

-5y = -15

y = -15/-5 = 3

x + 2y = 7

x + 2(3) = 7

x + 6 = 8

x = 1

(1,3) is the solution