X+Y=100
4.5X+20Y=822
Elimination, graphing,and substitution methods.
1 answer:
Answer:
y=10
4 SX +20 Y= 822
Elimination
X - 10 -4
UX - 822-20Y
6.5
10 -4 = 822-201
45
- 4.5 = 822 - 204
15.54=774
4 = 90:13
= -40.129
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