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Mathematics
Algebra
how do you solve by substitution method: 2x+2y+2=-18+6y-8?
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To solve by substitution you need two independent equations relating x and y.
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2r-5s=-33 5r+2s=48 Solve by substitution method. 5x+6y=5 x-9y=40 I always get these two confused...
Solve by elimination method.
2r-5s=-33 5r+2s=48 Solve by substitution method. 5x+6y=5 x-9y=40 I always get these two confused...
To solve this system, you could do the following steps: 3x+4y=48 6x+2y=60 (6 points)
1. Choose the best method to solve by
