Answer:
X = 2
Y = 1
Step-by-step explanation:
x + 4y = 6
3x + 3y = 9
3x + 12y = 18
9y = 9
y = 1
x + 4 * 1 = 6
x + 4 = 6
x = 2
so there ia only 1 solution for this equation is (2;1)
Done :))
