Question

Find the solution of the following equation :
15x-12/3=21-5x ​

Answer 1

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5x−2=18

⇒5x=20

⇒k=4

check:

LHS⇒5(4)−2=18=RHS

∴ x=4

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Answer 2

Answer:

1 5 +  (− 1 2/ 3) = 2 1 − 5

1 5 − 4 = 21 − 5

1 5 − 4 =− 5 + 2 1

1 5 - 4 + 4 = -5 + 2 1 + 4

Ans .) = 5 4