What's That Word?
What operation is represented below?
x+y
plus, addition
Solve for x.
x + 3 = 6
x = 3
The opposite of addition is.....
subtraction
42 = 4x + 3x
6 = x
A number plus two
x + 2
What operation is represented below?
x-y
minus, subtraction, negative
-2 + y = 5
y = 7
The opposite of multiplication is....
division
-12(-3x) = 72
x = 2
A two minus a number
2 - x
What operation is represented below?
x * y, (x)(y), xy
Multiplication, Times
9x = 18
x = 2
The opposite of subtraction is....
addition
3a + 9 = 33
a = 8
Ten times a number
10x
What operation is represented below?
x/y
Division
-5x = -25
x = 5
The opposite of division is....
multiplication
4y = 2y - 10
y = -5
5x + 7
Show the operation that represents the word sum.
+
1/2x = 8
x = 16
The opposite of x2 is.....
1.4z - 6 = 2.9z + 9
z = -10
One half of a number equal three times a number minus 5
1/2x = 3x - 5