What is ‘x’ if 2x – 5 = 99?

by
  1.  5
  2. 29
  3. 47
  4. 52

 

 

2 x 5 = 99

Consonants (i.e. 1,2,…) and variables (i.e. a, b, x, y…) must be separated.

In this case,

5 is in minus on the left side, so switch it to the right side with the opposite symbol, i.e. +.

2x=99+5=2x=99+5=2x=99+

104 = 2x

Now that 2 has been multiplied by x, shift it to the right side with the opposite symbol, i.e.

104/2 = x

x = 52

Thank you.

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