2x + 3y = 45
x + y = 10......y = 10 - x
2x + 3(10 - x) = 45
2x + 30 - 3x = 45
-x + 30 = 45
-x = 45 - 30
-x = 15
x = -15 <====
and y = 25
Answer:
Hello there, I love answering these questions!
Step-by-step explanation: turn 3/4 into 6/8 = 3x2/4x2 then subtract. 6/8 - 3/8 = 3/8
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Answer:
x = 5
y = 4
Step-by-step explanation:
multiply the second equation by -1 and add the first equation to eliminate "x"

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Replace "y" in the first equation:




Hope this helps
Answer:
The answer is B 0,2
Step-by-step explanation:
I hope that correct
Answer:
I think it is B, AB or CD and AB || CD
Step-by-step explanation: