Using substitution how do you solve - 4x+y=6 - 5x-y=21

To solve x-8=16 cassie added 8 to both side of the equation which property justifies this s

The recipe for punch uses 3 pints of pineapple juice, 5 cups of ginger ale, 1/4 gallon of lemonade, and 1 quart of apricot nectar is the answer 20 cups of punch

The ceramics class had 15 pounds of clay. Each student got 3/4 of a pound to make a bowl. How many bowls did the students make?

In an electric circuit, two resistors with resistances x and y are connected in parallel. In this case, if r is the combined resistance of these two resistors, then the reciprocal of r is equal to the sum of the reciprocals of x and y.

On the first day of camp, 5 10 of the skaters were beginners. Of the beginners, 2 6 were girls. What fraction of the skaters were girls and beginners? Complete the explanation. of the skaters were girls and beginners

Find the probability of rolling a 5 or and odd number on a cube. express your answer as a fraction in simplest form

Does 38956 have 6 addend in its expanded form

Which scale of measurement is being used if assigning numbers based on different professional affiliation (e. g., counselors, social workers, psychologists, psychiatrists) ?

What is a HR diagram? a diagram showing the layers of a star a diagram showing where stars can be found a graph used to study stars a graph of a stars changing shape

If x - 5 and y = - 8, evaluate the expression 4x2 - 7y2