Solving for x
Algebraic Expressions
Monomials
Vocabulary
Calculate
100

Solve for x:
5x + 4 = 19 

x = 3

100

7 more than a number (x)

x + 7

100

Identify the monomial: 3x2, x + 2, or 4y –3

3x2

100

unknown quantity represented by letters

Variable

100

5y – 7
When y = 3

8
200

Solve for x:
4(x – 3) = 2x + 10

x = 11

200

The sum of a number (x) and 8 is equal to 3 times the number

x + 8 = 3x

200

What is the degree of the monomial
5𝑥3y2 ?

5 (sum of exponents 3 + 2)

200

A number next to a variable

Coefficient

200

2a2 + 3a
When a = –1

–1

300

Solve for x:
3x − 5 = 2x + 7

x = 12

300

A number (x) minus three times its value is equal to -14.

𝑥 − 3𝑥 = −14


300

Multiply: 4x and 3x2

12x3

300

A combination of letters, numbers, and arithmetic operations

Algebraic expression

300

2x + 5y
When x = –3, y = 2

4

400

solve for x:
7x + 2 = 3(x+4)

x = 2.5

400

The sum of three times a number (m) and twice another number (p)

3m + 2p

400

Simplify: (−2a2)(5a3)

–10a5

400

Define: inequality

A statement indicating two values are not equal

400

4x+ 2y – 3z
When x = 1, y = 3, z = –2

16

500

solve for x:
2(x+5) − 3(x−1) = 4

x = 9

500

The sum of twice a number (n) and 4

2n + 4

500

Multiply: (3x2y)(–2xy3)

–6x3y4
500

Define: constant

A value that does not change
500

5a2 + 3b – 2c
When a = 2, b = –1, c = 4

9