Question

The side of a square is 3x - 2. Express the perimeter of the square in terms of x.

Answer 1

Answer:

The value of x is 2/3.

Step-by-step explanation:

The perimeter of a square is 4s.

Substitute the value and simplify.

4( 3x - 2 )             Distribute

12x - 8                  In this case this is an equation

12x - 8 = 0             Add 8 on both sides

     12x = 8              Isolate the variable by dividing 12 on both sides

        x= 2/3

 You must isolate the variable in order to solve equations with variables.

Isolating variable is basically when you divide, multiply, add, or subtract to put a variable on ONLY one side of the equation.

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