If 2y-4x=24 and y+3x=7 .Find the value of (x,y)?
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Answer:
the value of x is -1 and y is 10
Step-by-step explanation:
2y-4x=24
y+3x=7
subtracting both equations you get
y - 7x = 17
y = 17 + 7x
substitute it in any equation
y+3x=7
17+7x+3x =7
17 +10x=7
10x=7-17
10x=-10
x=-1
substitute x value in equation
2y-4x=24
2y-(-4)=24
2y+4=24
2y=20
y=10
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