Pre-Algebra Solving Variable Equations Worksheet

1. Solve x + xy; x = 2 y = 3.
12
7
8
6

2. Solve 10 ÷ z + y; y = 5 z = 2.
10
1
5
10/7

3. Solve i + 5 - j; i = 10 j = 16.
-1
26
1
31

4. Solve xy + yx; x = 5 y = 2.
100
14
20
45

5. Solve q(p + q); p = 6 q = 3.
9
12
21
27

6. Solve a(b + 4)²; a = 3 b = 4.
67
192
576
196

7. Solve x + 2y - (12 ÷ y); x = 3 y = 4.
-1
7
8
2

8. Solve m(n ÷ m); m = 4 n = 20.
4/5
64
5
20

9. Solve x + y(x + y); x = 2 y = 7.
81
25
23
65

10. Solve m² + n(mn); m = 3 n = 4.
145
57
91
442





Answer Key