Answer:
1. (Substitution)
20 5 3
3x+5y=20 X=3 - 3 y=4 - 5
9 1
x+2y=9 x=9-2y y= 2 - 2
1.(substition)
3x+5y = 20
equation 1: 5y=20−3x
x+2y=9
equation 2: 2y=9−x
2. (substition)
7x-2y=21
equation 1: 2y=21−7x
4x+y=57
equation 2: 4x=57+5y
Step-by-step explanation:
thank me please
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Answers & Comments
Answer:
1. (Substitution)
20 5 3
3x+5y=20 X=3 - 3 y=4 - 5
9 1
x+2y=9 x=9-2y y= 2 - 2
Answer:
1.(substition)
3x+5y = 20
equation 1: 5y=20−3x
x+2y=9
equation 2: 2y=9−x
2. (substition)
7x-2y=21
equation 1: 2y=21−7x
4x+y=57
equation 2: 4x=57+5y
Step-by-step explanation:
thank me please