Algebraic expressions and equations.
Expressions
Evaluate the expressions. Show your work.
X=3 y=6
1)
4)
7)
10)
3x + y =
6x – 2y =
8x – 5 + 2y =
36 – 6y =
2) 4y + 2x =
5) 5y – 4x =
8) 4 + 7x – 4y =
3) 2y + 2x + y =
6) 8y + 2 =
9) 5x + y – 2y =
11) 6s = 24
14) 9y + 2 – 3y = 38
17) x = 12
8
20) 12b – 18 = 30
12) 8y + 4 = 36
15) 3x + 2x – x = 24
18) 8p = 20
13) 4r – 3 = 33
16) 7+ 2q – 5 =22
19) 4a + 6 + 3a = 69
21) 6y + 8y = 42
23) 2y * 4 + 3y = 20
24) 7x = 140
22) a = 20
4
25) 17q – 8q = 27
Equations
Solve the equations. Show all work.