Question

3x-y=40,4x-2y=50. Solve in substitution method​

Answer 1

Answer:

x+y=1

Step-by-step explanation:

3x-y=40;4x-2y=50

3x-4x+(-2y+y)=50-40

1x+y=10

x+y=10÷1

x+y=1

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Answer 2

Answer:

This is your answer.

Step-by-step explanation:

Please mark it as brainlest answer.