inti
1. 5x-6y + 4z=15
7x + 4y - 3z=19
2x + y + 6z=46
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First get the like terms.
5x 6y 4z
7x 4y 3z
2x 0y 6z
= 14x 1y 3z
Therefore answer is 14x 1y 3z
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