Solve the simultaneous equations:

1. \( 3x - 2y = 9 \)

2. \( 5x - 2y = 7 \)

{ 5 x − 2 y = 7 3 x − 2 y = 9 / ⋅ ( − 1 ) ​ { 5 x − 2 y = 7 − 3 x + 2 y = − 9 ​ − − − − − − − − − 3 x + 5 x = − 9 + 7 2 x = − 2 / : 2 x = − 1 5 x − 2 y = 7 2 y = 5 x − 7 ⇒ y = 2 1 ​ ⋅ [ 5 ⋅ ( − 1 ) − 7 ] = 2 1 ​ ⋅ ( − 12 ) = − 6 { y = − 6 x = − 1 ​

Answered by kate200468 | 2024-06-25

The solution to the simultaneous equations 3 x − 2 y = 9 and 5 x − 2 y = 7 is x = − 1 and y = − 6 .
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Answered by kate200468 | 2024-12-26