The length of a rectangle is 7 meters more than the width. if the perimeter is 166, what are the length and width?

Length = 45

Width = 38

Step-by-step explanation:

2a + 2(a + 7) = 166

4a + 14 = 166

4a = 152

a = 38

a = Width

38 = Width

a + 7 = Length

(38 + 7) = Length

45 = Length

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!