Answer :
Step-by-step explanation:
using ELIMINATION method
10x-8y=20
4x+8y=36
14x=56
x=56/14
x=4
NOW FOR Y.
10(4)-8y=20
40-8y=20
-8y=20-40
-8y=-20
y=-20/-8
y=2.5
Step-by-step explanation:
10x-8y=20
4x+8y=36
14x=56
x=56/14
x=4
10(4)-8y=20
40-8y=20
-8y=20-40
-8y=-20
y=-20/-8
y=2.5