Systems of Equations Worksheet
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Systems of Equations Worksheet
Name:Date:Class:
1.Solve the system: and
2.Solve the system: and
3.Solve the system: and
4.Solve the system: and
5.Solve the system: and
6.Solve the system: and
7.Solve the system: and
8.Solve the system: and
9.Solve the system: and
10.Solve the system: and
11.Solve the system: and
12.Solve the system: and
13.Solve the system: and
14.Solve the system: and
15.Solve the system: and
16.Solve the system: and
17.Solve the system: and
18.Solve the system: and
19.Solve the system: and
20.Solve the system: and
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Worked Example
Problem: Solve: y = 2x + 1 and 3x + y = 16
- 3x + (2x + 1) = 16— Substitute y = 2x + 1 into the second equation.
- 5x + 1 = 16— Combine like terms.
- x = 3, then y = 2(3) + 1 = 7— Solve for x, then back-substitute.
Answer: (3, 7)
Frequently Asked Questions
Two or more equations with the same variables. The solution satisfies all equations simultaneously — the intersection point.
Use substitution when a variable is already isolated. Use elimination when both equations are in standard form.
0 = 0 means infinitely many solutions (same line). 0 = 5 means no solution (parallel lines).