Elimination using addition and subtraction

-3x - y = 24; 3x - 2y = 3

The number of blogs (or weblogs) grew rapidly for several years. According to one report, since early 2004 the number of blogs has doubled in size every six months. What is the percentage increase from March 2004 to March 2006?

Which ordered pairs in the form (x, y) are solutions to the equation 7x - 5y = 28? Choose all answers that are correct. (-6, - 14) (-1, - 7) (4, 10) (7, 9)

A boy had a box of animal crackers. He counted them out and found 20 cookies. 7 elephant cookies 6 tiger cookies 5 monkey cookies 2 zebra cookies Suppose the boy put all the cookies back into the box and took 1 out without looking.

there are 80 student in a class if 6 of them are absent then find the percentage of the present student

I want to know the answer to (-3) (-2) + 8

I don't know how to divide 3 and 2 digits

Find each difference. show as addition of the oppistie. (-13) - (-17)

Use logarithmic differentiation to find the derivative of the function y = (cosx) ^x

The lenghth of a rectangle is 2 feet more thats its width what is rhe measurment of the width if the area of the rectangle is 48

What are 2 numbers added to get - 18 and if you multiply those same numbers you'll get 72