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x - y = 0
2x = 10
x = 10 / 2
x = 5
3x - y = 10
3 . 5 - y = 10
15 - y = 10
- y = 10-15
-y = -5
y = 5
a. 2x - y
= 2 . 5 - 5
= 10 - 5 = 5
b. x : y = 5 : 5 = 1
x-y=0 | x3 | 3x-3y= 0 -
2y=10
y=10 = 5
2
3x-y=10
x-y=0 -
2x= 10
x= 10 = 5
2
a. 2x-y= 2(5)-5
= 10 - 5
= 5
b. x:y = 5: 5
= 1