Posted by donna on Tuesday, October 12, 2010 at 12:05am.
Solve the following:
L = 2W + 6
2(L + W) = 54
Rewrite them as:
2W + 2L = 54
2W - L = -6
Subtract the last equation from the third equation. You get an equation in L only.
3L = 60.
Take it from there.
Related Questions
algebra - the length of a rectangular jewlery box is 6 inches more than twice ...
Pre-Algebra - The length of a rectangular jewelry box is 5 inches more than ...
algebera - the lengthnof a rectangular jewelry box is 3 inches more than twice ...
basic geometry - A rectangle has width the same asa a side of a square whose ...
math - The perimeter of a rectangular picture is 240 inches. the length is twice...
geometry - Two rectangular boxes are similar. One box has the length of 24 ...
Algebra - The length of a rectangle is 6 inches more than twice its width. If ...
Math - Soybean meal is 18% protein; cornmeal is 9% protein. how many pounds of ...
basic geometric - 10. a rectangle has width the same as a side of a square whose...
geometry - The length of a box is 4 inches longer than its width, and the height...
For Further Reading
