Simplify/Evaluate Expressions
Simplify the expression.
2x+x
3x
-2x - 63 = 47
x = -55
Translate the following statement into an expression or equation.
Twice a number is 15.
2x = 15
Graph the following inequality.
x < 16
Open circle with an arrow pointing to the left.
x/4 - 6 ≤ -10
x ≤ -16
Simplify the expression.
3x+5+4x-2
7x+3
x/2 + 4 = 12
x = 16
Translate the following statement into an expression or equation.
3 times a number plus 4 is more than 9
3x+4>9
Solve and graph.
p - 4 > 8
What is p > 12
Open circle at 12 with an arrow pointing to the right.
When you multiply or divide both sides of an inequality by a negative number, you must __________the inequality sign.
Flip
Simplify the expression.
-2+x+3+5x
6x+1
(h+12)/6 = 8
h=36
Mrs. Heninger purchases sandwiches for $5 each and a coffee for $2. If she spends $42. Write an equation to find how many sandwiches she bought.
5x+2=42
Solve the equation.
-4x=64
x=-16
Solve the inequality.
25 - 5r > -30
r < 11
Simplify the expression.
x-4-3x+1
-2x-3
Is x = -2 a solution to the following equation?
1 = 4x + 9
Yes
Translate the following statement into an expression or equation.
The sum of a number and 3 divided by 2 is less than 10.
(x+3)/2<10
Solve and graph the following inequality.
-20x ≥ -100
x ≤ 5
Closed circle with an arrow pointing to the left.
Solve and graph the inequality.
-9 > 5x - 4
x < -1 or -1 > x
Open circle with an arrow pointing to the left.
Simplify the expression.
2(x+4)-3x+6
-x+14 or 14-x
(3/4)x + 5 = -4
X = -12
The length of a rectangle is 5 less than three times the width. The length of the rectangle is 4. Write an equation to find the width.
3x-5=4
Solve and graph the following inequality.
m/13 ≤ -4
m ≤ -52
Closed circle with an arrow pointing to the left.
Solve and graph the inequality.
(x-10)/14<3
x<32
Open circle with an arrow pointing to the left.