Asked by Oscar
                What is the value of x in the solutions to following equations 
x - y + -3
x + 3y =5
            
            
        x - y + -3
x + 3y =5
Answers
                    Answered by
            bobpursley
            
    subtract the second equation from the first.
-y-3y=-3-5
-4y=-8
y=2, put that back in the first equation, and solve for x
    
-y-3y=-3-5
-4y=-8
y=2, put that back in the first equation, and solve for x
                    Answered by
            Oscar
            
    the first set of equations instead of a plus sign its supposed to be an equal sign.. and btw is it 
x=-1
    
x=-1
                    Answered by
            bobpursley
            
    yes, you have it.
    
                    Answered by
            Oscar
            
    thx so much 
Heidi is preparing for the national gymnastics competition. The table below shows the number of hours Heidi spent preparing for a gymnatics competition over a period of five months:
Month
1
	
2
	
3
	
4
	
5
Hours
2
	
3.5
	
5
	
6.5
	
8
Did Heidi increase the number of hours of practice linearly or exponentially?
Linearly, because the table shows an equal increase in hours for an equal increase in months
Exponentially, because the table shows an equal increase in hours for an equal increase in months
Linearly, because the table shows that hours increase by an equal factor for an equal increase in months
Exponentially, because the table shows that hours increase by an equal factor for an equal increase in months
is it a
    
Heidi is preparing for the national gymnastics competition. The table below shows the number of hours Heidi spent preparing for a gymnatics competition over a period of five months:
Month
1
2
3
4
5
Hours
2
3.5
5
6.5
8
Did Heidi increase the number of hours of practice linearly or exponentially?
Linearly, because the table shows an equal increase in hours for an equal increase in months
Exponentially, because the table shows an equal increase in hours for an equal increase in months
Linearly, because the table shows that hours increase by an equal factor for an equal increase in months
Exponentially, because the table shows that hours increase by an equal factor for an equal increase in months
is it a
                    Answered by
            Anonymous
            
    yea
    
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