Solving Linear Equations
Solve for x
2x+3=7
x=2
2x+5-x
x+5
8x-4< 20
x<3
Factor: x2+5x+6
(x+2)(x+3)
Solve the system
2x+y=5
x-y=1
x=2,y=3 Solution: (2,3)
3(x-4)=15 solve for x
x=7
3(2x+4)-2x
4x+12
-4x-3>5
x<-2
Factor: x2-x-6
(x-3)(x+2)
4x+2y=10
2x-y=3
x=2, y=2 Solution: (2,2)
2(x+5)-3(2x-1)=4
x=-3
2x2+3x-(x2-2x+1)
x2+5x-1
6(x-4) >= 48
x>= 12
2x2+5x-3
(2x-1)(x+3)
3x-2y=4
2x+y=1
x=2, y=-1 Solution: (2,-1)