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GenaCL600 [577]
2 years ago
12

Can anyone help solve these equations using the elimination method

Mathematics
2 answers:
monitta2 years ago
5 0

Given:

The system of equation is

15x+12y=18

5x+4y=6

To find:

The solution of given system of equations by using elimination method.

Solution:

We have,

15x+12y=18         ...(i)

5x+4y=6            ...(ii)

Multiply equation (ii) by 3.

3(5x+4y)=3(6)

3(5x)+3(4y)=18

15x+12y=18            ...(iii)

After subtracting (iii) from (i), we get

(15x+12y)-(15x+12y)=18-18

15x+12y-15x-12y=0

0=0

This statement is true for all values of x and y. So, the given system of equations has infinitely many solutions and both equations represents coincident lines.

tiny-mole [99]2 years ago
3 0

Step-by-step explanation:

dear by changing the sign by elimination method everything gets cancelled

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