## solutions

### In mathematics, solutions refer to the values or set of values that satisfy an equation or inequality

In mathematics, solutions refer to the values or set of values that satisfy an equation or inequality. When we are given an equation or inequality, finding the solutions involves determining the values of the unknown variables that make the equation or inequality true.

There are different types of solutions depending on the type of equation or inequality:

1. Linear Equations: A linear equation involves variables raised to the power of one, such as “x” or “y”. To find the solution, we isolate the variable and determine the value(s) that make the equation true. For example, in the equation 2x + 3 = 9, the solution is x = 3 as it satisfies the equation.

2. Quadratic Equations: Quadratic equations involve variables raised to the power of two, such as “x^2”. To find the solutions, we can use factoring, completing the square, or the quadratic formula. For example, in the equation x^2 + 4x + 4 = 0, the solutions are x = -2 (determined by factoring) or x = -2 (by using the quadratic formula).

3. Systems of Equations: Systems of equations involve multiple equations with multiple variables. The solution to a system of equations is the set of values that simultaneously satisfy all the equations. There are various methods to solve systems of equations, including substitution, elimination, or using matrix methods. For example, in the system of equations: 2x + 3y = 5 and x – 2y = 1, the solution is x = 1, y = 2 when we solve the system using elimination or substitution methods.

4. Inequalities: Inequalities involve expressions that compare two quantities using symbols like “<", ">“, “<=", ">=”, or “≠”. Unlike equations, where we find an exact solution, we find the solution set for inequalities. This set consists of the range of values that satisfy the inequality. For example, in the inequality 2x + 3 > 7, the solution set is x > 2 since any value of x greater than 2 satisfies the inequality.

It is important to note that not all equations or inequalities have solutions. Some may have infinitely many solutions, while others may have no solution. The process of finding these solutions is central to mathematical problem-solving and has wide-ranging applications in various fields of study.

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