3J + 2S = 79.88
2J + 3S = 74.97
Multiply the 1st equation by 2 and the 2nd equation by 3, then subtract.
This will eliminate the J variable and give an equation is S only.
The arithmetic is messy...but the solution will be direct.
Sydney G.
asked 02/17/20Switz. stands for Switzerland by the way.
3J + 2S = 79.88
2J + 3S = 74.97
Multiply the 1st equation by 2 and the 2nd equation by 3, then subtract.
This will eliminate the J variable and give an equation is S only.
The arithmetic is messy...but the solution will be direct.
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