2x - y = 3
y = -x
What’s the value of x?
2 answers:
Answer:
X = 1 which means Y = -1
Step-by-step explanation:
2x - y = 3
y = -x
Sub for y
2x + x = 3
Add the x's
3x = 3
Divided by 3
x = 1
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
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