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Sagot :
c - (7,0) because 3x7= 21 add 4x0 = 0 which then equals 21 :)
Answer:
C. (7, 0)
Step-by-step explanation:
Here, the given equation,
[tex]3a-4b=21[/tex]
The order pair ( in which first value shows a and second value shows b ) that satisfies the given equation is called the solution of the equation,
For (-3, -2)
3(-3) - 4(-2) = 21 ( False )
For (0, 7),
3(0) - 4(7) = 21 ( False )
For (7,0),
3(7) - 4(0) = 21 ( True )
For (-2, -3),
3(-2) - 4(-3) = 21 ( False )
Thus, only (7,0) is the solution of the given equation,
Option 'C' is correct.
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