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How would i solve this 'simple' simultaneous equation Watch

1. 5j + 2k = 28

2j + 3k = 28
2. (Original post by diggy)
5j + 2k = 28

2j + 3k = 28
You need to make the coefficients of either the k's or the j's the same.

If you multiply the first one by 3 and the second one by 2, the coefficients of the k's will both be 6.

Try that and post all your working if you get stuck.
3. (Original post by notnek)
You need to make the coefficients of either the k's or the j's the same.

If you multiply the first one by 3 and the second one by 2, the coefficients of the k's will both be 6.

Try that and post all your working if you get stuck.
I tried it that way due to my error i wasn't multiplying the 28 thanks for the help

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Updated: April 9, 2013
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