Simplify and Factor
Simplify: 3x + 7 - x + 2
2x + 9
Solve: x-10=-15
x=-5
5 more than a number is 20.Write the equation.
Graph x > 5 on a number line.
Open circle on 5, shade right
Is 2(x+3) equivalent to 2x+3? Why?
N0. Distributive: 2x +6
Factor: 5x + 20
5( x + 4)
Solve: 4x=-28
x=-7
2x + 10 = 30. Solve for x.
x=10
Solve: x + 4 less than or equal to 10.
X is less than or equal to 6.
Simplify: 0.2(10x - 5)
Expand: -3(2x-5)
-6x+15
1/2x+5=11
x=12
You have $50. You buy a $20 shirt and 3 hats (h). Equation?
3h+20=50
Solve: -2x < 10.
x > -5 (Sign flipped!)
Factor: 14x - 21y.
7(2x-3y)
Factor: -8x -12
4(-2-3) or 2(-4-6)
Solve: 3 (x-4)=15
X=9
A rental costs $20 plus $5/hr. You spent $45 How many hours?
5 Hours
Solve: 2x - 5 > 11.
x > 8
Solve: 0.5x - 2 = 1.5
x=7
Simplify: 1/2 (4x-8) + 10
2x+6
Solve: x-4/3 =6
x=22
The sum of twice a number and -4 is 10. Solve it.
2n + (-4) = 10; n=7
-4x + 2 is greater than or equal to 18.
X is less than or equal to -4
Solve: 2/3(x + 9) = 10.
x=6