Two equations are given below:

a − 3b = 16
a = b − 2

What is the solution to the set of equations in the form (a, b)?

(−2, −6)
(−7, −9)
(−11, −9)
(−12, −10)

plz help im really stuck

Question

Two equations are given below:

a − 3b = 16
a = b − 2

What is the solution to the set of equations in the form (a, b)?

 (−2, −6)
 (−7, −9)
 (−11, −9)
 (−12, −10)

plz help im really stuck

anonymous · Answer

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anonymous · Answer

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hijacktrolo · Answer

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jhonyy9 · Answer

a-3b=16
a=b-2

so because you know that a=b-2 the best easy way to solve this system is the substitution method - so just substitute the a=b-2 in first equation in place of a and so you can calculi easy the b ,after this just substitute this value of b in place of b inside second equation and will get the value of a 

hope this is understandably sure right