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combining like terms
distributing
Solving Equations
Graphing Equations
how many solutions?
100
3x-12x=
-9x
100
2(x-3)
2x-6
100
2x+6=-4
x=-5
100
Graph and write the solution y=x-3 y=2x-4
(1,-2)
100
y=x+4 y=4+x
infinite solution (same line)
200
5x+3+14x-20
19x-17
200
-3(-2x+4)
6x-12
200
3x+2(-x+5)=16
x=6
200
Graph and write the solution y=-1/2x+3 y=2/3x-4
(6,0)
200
y=-3x+2 y=-3x+12
no solution (same slope)
300
-2x-4-4x+12
-6x+8
300
-5(-3x-10)
15x+50
300
-5x-3+2(-x+4)=-23
x=4
300
Graph and write the solution y=3/4x+2 y=3/4x-2
no solution
300
y=3/4x+2 y=-3/4x+2
1 solution (different slope)