Solve each linear equation by subsitution or elimination

4x-y=-1

2x+y=7

Determine the value of that makes the equati Wue of x that makes the equation true. 6 - (2x - 4) + x = 3 (x-4) write your answer on the line. What is the value of x?

675,360.41 in expanded notation

A box measures ft. long, ft. wide, and ft. high. find the volume of the box in inches.

Given f (x) = x - 10. What is f (-7) ?

What is the value of 4c4

If you stacked Avogadro's number of pennies one on top of the other on Earth's surface, how far would the stack extend (in kilometers) ?

Y=6x+5 is the equation. what is its gradient

The admission to the movie theatre is $7.50 for children and $9.00 for adults. Last Friday, 750 tickets were sold and $6,411 in ticket sales were made. How many children and how many adults attended the movies last Friday

Twelve is the same as two-thirds a number diminished by two.

A model train engine is 6 inches long the real train is 42 feet long what is the scale factor