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Question

15x30=99x+10

Which of the following is the solution to the equation shown above ?
  1. x=1021
  2. x=1021
  3. x=2110
  4. x=2110


Solution

The correct option is B x=1021

Solution to an equation is a value for the variables (in this case x) that makes the equation true.
Let’s find an equivalent equation by first subtracting 99x from both sides, then adding 30
15x3099x=99x99x+10
84x30=10+30
84x=40
x=4084
=1021
The solution is x=1021

Hence, the correct answer is option B

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