Respuesta :
Answer:
x=2, y=1. (2, 1).
Explanation:
4x-y=7
5x-8y=2
--------------
y=4x-7
5x-8(4x-7)=2
5x-32x+56=2
-27x+56=2
-27x=2-56
-27x=-54
27x=54
x=54/27
x=2
4(2)-y=7
8-y=7
y=8-7
y=1
Answer:
x=2, y=1. (2, 1).
Explanation:
4x-y=7
5x-8y=2
--------------
y=4x-7
5x-8(4x-7)=2
5x-32x+56=2
-27x+56=2
-27x=2-56
-27x=-54
27x=54
x=54/27
x=2
4(2)-y=7
8-y=7
y=8-7
y=1