1.

3(x+2)-5=13 solve the equation

Answer»

ANSWER:

  • Value of x is 4.

GIVEN:

  • 3(x+2)-5 = 13

TO FIND:

  • Value of x.

SOLUTION:

=> 3(x+2)-5 = 13

=> 3x+6-5 = 13

=> 3x+1 = 13

Subtracting 1 from the both sides.

=> 3x+1-1 = 13-1

=> 3x = 12

Dividing both sides by 3.

=> 3x/3 = 12/3

=> x = 4

VERIFICATION:

L.H.S:

= 3(x+2)-5

Putting x = 4

= 3(4+2)-5

= 3(6)-5

= 18-5

= 13

LHS = RHS

Verified.

NOTE:

  • This method of finding the value of x is by linear equation in ONE variable.
  • Then we can simply the expression and we GET the value of x.
  • In this way we can find the value of x


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