One Step Equations
x + 14 = 30
x = 16
5 + 8x = 77
x = 9
x - 2 ≤ -11
Graph the number line on your board.
x ≤ -9
Ashley's tomato plant grew 9 inches over the summer. Her plant is now 23 inches tall. How tall was it at the beginning of the summer?
Write the equation and answer.
x + 9 = 23
x = 14
Simplify the Expression:
-4x - 6x
-10x
-6 = k + 6
x = -12
x/3 + 2 = 0
x = -6
-35 < x - 20
Graph the number line on your board.
-15 < x
Four sodas cost $10.00. What is the cost of one soda?
Write the equation and answer.
4x = 10
x = 2.50
Simplify the Expression:
-( -6x - 3)
6x + 3
-10x = -50
x = 5
6 - 6x = 108
x = -17
x/7 > 2
Graph the number line on your board.
x > 14
Ella is selling cookies for $4 per dozen. She pays $10 for ingredients. If she ends up with a profit of $66, how many dozen cookies did she sell?
Write the equation and answer.
4x - 10 = 66
x = 19
Simplify the Expression:
1/2 (6x - 2) + 2x
5x - 1
16 = x / -2
x = -32
3 - x = -12
x = 15
-5x ≥ -25
x ≤ 5
Evan used half of his paycheck for his car payment, then $125 for groceries. If he has $215 left, how much was his paycheck?
Write the equation and answer.
x/2 -125 = 215
x = 680
Solve for x:
2(x + 1) - 7 = 5
x = 5
-2x = -5/4
x = 8/5
5/3x + 8 = 3
x = -3
4/5x ≥ -8
Graph the number line on your board.
x ≥ -10
"Nine less than nine times a number, x, is at least thirty-six."
Write the inequality and answer. Graph on your board.
9x - 9 ≥ 36
x ≥ 5
Solve for x:
2(4x - 3) - 8 - 2x = 4
x = 3