Answer:The solution of an equation with two variables, x and y, is an ordered pair (x, y) that produces a true statement when the values x and y are substituted into the equation.
Answer:

And the width for this case is:

And we know that the perimeter is given by:

And replacing we got:

And symplifying we got:

Step-by-step explanation:
For this problem we know that the lenght of the rectangle is given by:

And the width for this case is:

And we know that the perimeter is given by:

And replacing we got:

And symplifying we got:

Answer:
(1) = (e) 7x. (2) = (b) 7+x. (3) = (d) x-7. (4) = (c) 2x+7
Answer:
1. 942.48
Step-by-step explanation:
Input the numbers in the formula.
Answer:
C
Step-by-step explanation: