Order of Operations
(6 - 1) * 2
10
3 + 2x - 10
-7 + 2x
Write as an algebraic expression: x increased by 9
x + 9
v - 10 = -7
v = 3
Which are the four basic operations?
addition, subtraction, multiplication and division.
2 - 5/5
1
-3n + 2n
-n
Write as an algebraic expression: n decreased by 17
n - 17
-125 = -25v
v = 5
The number of cats I have
2
6 / (3 - 1) + 1
4
3x + 10 + 2x -4
5x + 6
Write as an algebraic expression: w more than 8
8 + w
3 = p/10
p = 30
My favorite colors
Purple & pink
6 * 4 - (2 + 3)
19
4x - 11 - 9x + 3
-5x - 8
Write as an algebraic expression: the sum of a number and 7
n + 7
90 = - 6a
a = -15
What is an algebraic expression
It is a combination of the 4 basic operations.
It has variables, coefficients and constants.
32 + 1 + 2 * 4
18
-2 (3x - 7)
-6x + 14
Write as an algebraic expression: 10 less than z
z - 10
50 = 10(x + 2)
x = 3
My birthday
March 10