What is the solution?

(-1,1)
Solve the systems of equations using substitution:
-3x + 4y = -2
y = -5
(-6, -5)
Solve the systems of equations using Elimination:
14x + 2y = 26
-14x - 6y = -50
(1, 6)
Sam has 30 nickels and dimes worth $2.40. How many nickels does he have?
12 nickels
How many solutions are there?

No Solutions
Solve the systems of equations using substitution:
-5x - 5y = 10
y = -4x -17
(-5, 3)
Solve the systems of equations using Elimination.
4x - 5y = 0
8x + 5y = -60
(-5, -4)
Steve has $3 more than twice as much as Tracy. Together they have $57. How much does each have?
Steve: $39
Tracy $18
Solve Using Graphing:
y = 5/3x + 2
y = -3

Solve the systems of equations using substitution:
y = -2x - 9
3x -6y = 9
(-3, -3)
Solve the systems of equations using Elimination:
−9y+4x−11=0
−3y+10x+31=0
(-4, -3)
A herd of dinosaurs made paintings in the sand with their claws.
Each baby dinosaur made 15 paintings and each adult dinosaur made 7 paintings. The entire herd made 208 paintings in total, and there were 3 times as many baby dinosaurs as adult dinosaurs.
How many baby dinosaurs and adult dinosaurs were there?
12 baby dinosaurs
4 adult dinosaurs
Solve by graphing.
x - 2y = 9
3x - y = 7
(1, -4)
Solve the systems of equations using substitution:
-8x - 5y = -24
-x + y = 10
(-2, 8)
Solve the systems of equations using Elimination:
−5y+6x=40
3y−8x=−46
(5, -2)
Tickets for the senior class play cost $4 for adults and $2 for students. This year there were 600 tickets sold, and the class made $1900. How many of each type of ticket were sold?
350 adult
250 student
Solve the systems of linear equations by graphing:


Solve the systems of equations using substitution:
-8x + y = -7
16x - 2y = 14
Infinitely Many Solutions
Solve the systems of equations using Elimination:
−6y+11x=−36
−4y+7x=−24
(0, 6)
Lisa and Beverly had just $5 to spend for an after-school snack. They could have bought 2 hamburgers and 1 carton of milk with no change back or 1 hamburger and 2 cartons of milk with 40 cents change back. How much does a carton of milk cost?
$1.40