Question

if x=2a+1and y=a-1 is solution of the equalation 2x+4y+3=0 find the value of A
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Answer 1

Answer:

a = -1/8

Step-by-step explanation:

x = 2a + 1

y = a - 1

==: 2x + 4y + 3 = 0

==: 2(2a + 1) + 4(a - 1) + 3 = 0

==: 4a + 2 + 4a - 4 + 3 = 0

==: 8a + 1 = 0

==: a = -1/8

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