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Sergeeva-Olga [200]
3 years ago
12

How do you solve a linear equation by multiplying first, substitution, and adding or subtracting? Please show me the work. Use t

his system to show me:
2x + 2y = 240
x + y = 20

Mathematics
1 answer:
PolarNik [594]3 years ago
3 0
See the attached picture for solution:

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