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Solution: Definition and Example | EDU.COM

Solution: Definition and Example | EDU.COMEDU.COMResourcesBlogGuidePodcastPlanBackHomesvg]:size-3.5">Math Glossarysvg]:size-3.5">SolutionSolution: Definition and ExampleTable of ContentsSolution in Mathematics Definition of Solution

In mathematics, a solution\text{solution}solution is the answer to a problem or the value(s) that satisfy an equation. For example, in x+5=12x + 5 = 12x+5=12, the solution is x=7x = 7x=7 because 7+5=127 + 5 = 127+5=12. Solutions can be: Single numbers (e.g., x=7x = 7x=7), sets of numbers (e.g., x=2,3x = {2, 3}x=2,3) , functions or geometric properties.

Solutions are foundational for translating real-world problems into mathematical answers. Equations may have one solution, multiple solutions, or no solution.

Examples of Solution Example 1: Linear Equation Solution Problem:

Solve 2x−6=82x - 6 = 82x−6=8.

Step-by-step solution:

Step 1, Add 666 to both sides:

2x−6+6=8+62x - 6 + 6 = 8 + 62x−6+6=8+6 → 2x=142x = 142x=14

Step 2, Divide by 2:

2x2=142\frac{2x}{2} = \frac{14}{2}22x​=214​ → x=7x = 7x=7

Step 3, Verify: 2(7)−6=14−6=82(7) - 6 = 14 - 6 = 82(7)−6=14−6=8 ✓

Example 2: System of Equations Solution Problem:

Solve:

x+y=5x + y = 5x+y=5 2x−y=42x - y = 42x−y=4 Step-by-step solution:

Step 1, Solve first equation for yyy: y=5−xy = 5 - xy=5−x

Step 2, Substitute into second equation:

2x−(5−x)=42x - (5 - x) = 42x−(5−x)=4 → 2x−5+x=42x - 5 + x = 42x−5+x=4 → 3x=93x = 93x=9 → x=3x = 3x=3

Step 3, Find yyy: y=5−3=2y = 5 - 3 = 2y=5−3=2

Step 4, Verify:

3+2=53 + 2 = 53+2=5 ✓, 2(3)−2=42(3) - 2 = 42(3)−2=4 ✓

Solution: (x,y)=(3,2)(x, y) = (3, 2)(x,y)=(3,2)

Example 3: Quadratic Equation Solution Problem:

Solve x2−5x+6=0x^2 - 5x + 6 = 0x2−5x+6=0.

Step-by-step solution:

Step 1, Factor the quadratic:

x2−5x+6=(x−2)(x−3)x^2 - 5x + 6 = (x - 2)(x - 3)x2−5x+6=(x−2)(x−3)

Step 2, Apply zero-product property:

(x−2)=0(x - 2) = 0(x−2)=0 or (x−3)=0(x - 3) = 0(x−3)=0

Step 3, Solutions: x=2x = 2x=2, x=3x = 3x=3

Step 4, Verify:

22−5(2)+6=02^2 - 5(2) + 6 = 022−5(2)+6=0 ✓, 32−5(3)+6=03^2 - 5(3) + 6 = 032−5(3)+6=0 ✓

Comments(2)AArtistDianaNovember 6, 2025I've used this solution definition to help my students. It's clear and the examples really make the concept easy to grasp!

DDancerMonaNovember 4, 2025I've used this solution def to help my students. It's clear and the real-life examples make it easy for them to grasp!

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