Answer:
These are simultaneous equations.They have to be solved like this:
2x-y=3 -y=3-2x 2x-3= -x
y= -x y= -(3-2x) 3x= 3
y=2x-3 x=1
Step-by-step explanation:
The value of x equals to 1
Answer:
1 minute and 30 sec
Step-by-step explanation:
because there are 60 seconds in a minute and 60+30 is 90
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Answer:
-4.5
Step-by-step explanation:
(y2-y1)/(x2-x1)
(8+10)/(-5+1)
(18/-4)
-4.5
