(x,y)
sub given points and see if true
A, (0,-13)
x=0
y=-13
3(-13)=5(0)-13
-39=0-13
-39=-13
false (other user was just guessing)
B. (3,1)
x=3,
y=1
3(1)=5(3)-13
3=15-13
3=2
false
C. (7,7)
x=7
y=7
3(7)=5(7)-13
21=35-13
21=22
false
D. (-6,-1)
3(-1)=5(-6)-13
-3=-30-13
-3=-43
false
answer is none of them
Answer:
12x the second -12x -16
Step-by-step explanation:
Solving systems of equations with 3 variables is very similar
Answer:
x = -2
Step-by-step explanation:
3x+2=−4
3x+2−2=−4−2(Subtract 2 from both sides)
3x=−6
3x
/3
=
−6
/3
(Divide both sides by 3)
x=−2
The evening walk is shorter because 3/6 is 1/2 or .5 a mile, while 2/3 mile is .66 a mile
Answer:
12.5
Step-by-step explanation:
x = 2.5, 5x = ?
5(2.5) = 5 x 2.5 = 12.5
