Math Problem Statement

whats is the answer to 5x+3y=15

Solution

The equation 5x+3y=155x + 3y = 15 is a linear equation in two variables, xx and yy. Its solution represents a straight line in the Cartesian coordinate system. To find solutions, you need to either express one variable in terms of the other or provide additional conditions like values for xx or yy.

General Solutions:

We solve for yy in terms of xx: 5x+3y=155x + 3y = 15 3y=155x3y = 15 - 5x y=155x3y = \frac{15 - 5x}{3}

This means for any chosen value of xx, you can compute yy, and vice versa. For example:

  • If x=0x = 0: y=155(0)3=5y = \frac{15 - 5(0)}{3} = 5.
  • If x=3x = 3: y=155(3)3=0y = \frac{15 - 5(3)}{3} = 0.

Similarly, you could solve for xx in terms of yy: x=153y5x = \frac{15 - 3y}{5}

Would you like a graph, a table of values, or a specific solution based on more constraints?


Follow-up Questions:

  1. Would you like a graph of this equation?
  2. Should I generate more solutions with specific xx or yy values?
  3. Do you want to explore this in the context of systems of equations?
  4. How do you interpret such equations geometrically or in real-world terms?
  5. Would you like me to explain how to solve systems involving two such equations?

Tip: For linear equations, always check if solving for one variable or graphing makes the problem easier to visualize!

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Math Problem Analysis

Mathematical Concepts

Linear Algebra
Linear Equations in Two Variables
Cartesian Coordinate System

Formulas

y = (15 - 5x)/3
x = (15 - 3y)/5

Theorems

Slope-Intercept Form of a Line

Suitable Grade Level

Grades 8-10