Find the values of a and b: 2a(3x − 1) + 3(a x + 7) ≡ 36x + b
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Answer:
a = 4
b = 13
Step-by-step explanation:
2a(3x − 1) + 3(a x + 7) ≡ 36x + b
take 2a(3x − 1) + 3(a x + 7)
=> 6ax - 2a +3ax+21
=> 9ax-2a+21
which is congruent to 36x+b
=> 9ax = 36x
ie, 9a = 36
=> a = 36/9 = 4
also, 21-2a = b
=> 21-2(4) = b
=> 21-8 = b
=> b=13
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