solve graphically 2x-y=6,x+y=3
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Answer:
A) 3
Step-by-step explanation:
2x-y=6, 2(x-y)=6,2xy=6,xy=6/2=3
Answer:
2x - y = 6 (1) ,x + y = 3 (2)
x + y = 3
x = 3 - y
put the value x in equation (1)
2x - y = 6
2(3 - y) - y = 6
6 - 2y - y = 6
- 3y = 0
y = 0
put the value y in equation (2)
x + y = 3
x + 0 = 3
x = 3