Solving Equations
Solve:
1=x-7
8
What is the solution to the system?

(-3, -3)
solve by Equal Values Method:
y=-4x
y=x-5
(1,-4)
What is the first correct step to solve by Elimination in this problem?
6x-8y=-94
-x+8y=49
Add the equations
Solve:
12=3y
4
What is the solution to this system?

No solution
Solve by Equal Values Method:
y=9x-2
y=7x
(1,7)

(-8,-6)
Are we ready for the test??
HECK YEAH!!
Find the solution by graphing:

(3,2)

y=-4x
2x-5y=44
(2,-8)
−8x+4y=−24
−7x+4y=−16
(8,10)
2y-19=-21
-1
Solve the system by graphing:

(-3,3)

Solve by Substitution:
3x+y=20
-7y=x
(7,-1)

(-3,9)
-4x-6=-3x-8
2
Solve the system by graphing:

(-6,0)

Solve by substitution:
y=4x-9
-7x-6y=-39
(3,3)
7x+4y=-9
-5x-3y=7
(1,-4)