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13-04-2021
Mathematics

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Algebraic Method #2: Solving by substitution 2x + 8y = 20 y = 2

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kica226 kica226

13-04-2021

2x+8y=20
2x+8•2=20
2x=20-16
2x=4
x=2
Check:
2•2+8•2=20
4+16=20
20=20
x=2 and y=2
Good luck.

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