Search
Ask a question
0 0

slove the following

3x - y = 0 
5x + 5 = 0 
Tutors, please sign in to answer this question.

2 Answers

5x+5=0
5x+5-5=0-5
5x=-5
5x/5=-5/5
x=-1
 
3(-1)-y=0
-3-y=0
-3+3-y=0+3
-y=3
y=-3
3x - y = 0
5x + 5 = 0
 
Solve for x:
 
5x + 5 = 0
5x = -5                   [Subtract 5 from both sides]
x = -1                    [Divide both sides by 5]
 
Plug x = -1 into the first equation and solve for y:
 
3x - y = 0
3(-1) - y = 0          [Plugged in -1 in place of x, since x = -1]
-3 - y = 0               [Add y to both sides]
-3 = y