For what values of k will equation have infinity many solutions - 2x+3y=7, a(x+y)-b(x-y)=3a+b-2
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Answered by
1
Answer:
2x+3y=7
2x=7-3y
2x= 4y
x= 4/2
Answered by
0
Step-by-step explanation:
2x + 3y = 7 3a + b - 2 = 0
2x = 7 - 3-y 3a + b = 2
2x = 4-y. a + b = 2-3
x = 4/2 ab = -1
x= 2
a(x+y)-b(x-y)
a(2+2)-b(2-3)
2a+2a-(-2b-3b)
4a + 5b
ab = 9
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