Math, asked by Ali012, 7 months ago

Solve the following simultaneous linear equations:

6x - 4y = - 12

8x - 3y = - 2​

Answers

Answered by shivamupadhyay30jun2
3

Answer:

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Attachments:
Answered by archanadss2811
2

Step-by-step explanation:

given \:  \\  \\ 6x - 4y =  - 12 \:  \:  \:  \:  -i \\ 8x - 3y =  - 2 \:   \:  \:  - ii \\  \\ so \: balancing \: eq \: i \: and \: ii \\  \\ multiplying \: eqn \: i \: by \: 3 \\ and \: eqn \: ii \: by \: 4 \\ (6x - 4y =  - 12)3 \\ (8x - 3y) =  - 2)4\\  \\ 18x - 12y =  - 36 \\ 32x - 12y =  - 8 \\  -  \:  \:   \:  \:  \:  \:  +  \:  \:  \:  \:  \:   \:  \:  \:  \:   \:  \:   \:  \:  +  \\  \\  - 14x =  - 28 \\  \\   \\ x =  \frac{ - 28}{ - 14}   \\  \\ x = 2 \:  \:  \:  \:  \:  \: (minus \: cancel \:  \\ out) \\  \\  \\ fitting \: value \: of \: x \:  \\ in \: eq - i \:  \\  \\ 6 \times (2) - 4y =  - 12 \\  \\ 12 - 4y =  - 12 \\  - 4y =  - 12 - 12 \\  \\  - 4y =  - 24 \\  \\ y =   \frac{ - 24}{ - 4 }  \\  \\ y = 6 \\ x = 2 \\  \\  \\ ( - and -  \: will \: cancell \\ out)

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