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nikdorinn [45]
3 years ago
10

X=5-y 2x+5y=4 substituted

Mathematics
1 answer:
anzhelika [568]3 years ago
7 0

Step-by-step explanation:

put x=5-y into eqn2

2(5-y)+5y=4

10-2y+5y=4

10+3y=4

3y=-6

y=-2

put y=-2 into eqn1

x=5--2

x=7

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