5/x-1+1/y-2=2 6/x-1-3/y-2=1 By Elimination Method

3 min read Jul 27, 2024
5/x-1+1/y-2=2 6/x-1-3/y-2=1 By Elimination Method

Solving the System of Equations using the Elimination Method

In this article, we will solve the system of equations:

Equation 1: 5/x - 1 + 1/y - 2 = 2 Equation 2: 6/x - 1 - 3/y - 2 = 1

using the elimination method.

Step 1: Write the equations

We are given two equations:

5/x - 1 + 1/y - 2 = 2 ... (1) 6/x - 1 - 3/y - 2 = 1 ... (2)

Step 2: Multiply the equations by necessary multiples

We can see that the coefficients of 1/x in both equations are different. To make the coefficients of 1/x the same, we can multiply Equation (1) by 6 and Equation (2) by 5. This will make the coefficients of 1/x equal:

30/x - 6 + 6/y - 12 = 12 ... (3) 30/x - 5 - 15/y - 10 = 5 ... (4)

Step 3: Subtract Equation (4) from Equation (3)

Subtracting Equation (4) from Equation (3), we get:

(30/x - 6 + 6/y - 12) - (30/x - 5 - 15/y - 10) = 12 - 5 -1 + 21/y - 2 = 7

Simplifying the equation, we get:

21/y = 9 y = 21/9 y = 7/3

Step 4: Substitute the value of y in one of the original equations

Substituting the value of y in Equation (1), we get:

5/x - 1 + 1/(7/3) - 2 = 2 5/x - 1 + 3/7 - 2 = 2

Simplifying the equation, we get:

5/x + 3/7 = 5 5/x = 5 - 3/7 5/x = 32/7 x = 5/(32/7) x = 35/32

Step 5: Write the solution

The solution to the system of equations is:

x = 35/32 y = 7/3

Therefore, the values of x and y that satisfy both equations are x = 35/32 and y = 7/3.