Mathematics, 26.10.2020 18:20 alex12354

The value of c in this system of equations is 1. 3x+y=9 y=-4x+10
1.Substitute the value of y in the first equation:
2.Combine like terms:
3.Apply the subtraction property of equality:
4.Apply the division property of equality:

3x+(-4x+10)=9
-x+10=9
-x=-1
x=1

What is the value of y?
Y=

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 18:30, darlene1283

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?

Answers: 3

continue

Mathematics, 21.06.2019 22:00, PROMASTER

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square

Answers: 1

continue

Mathematics, 22.06.2019 01:00, chandranewlon

Ellie spent $88.79 at the computer stote. she had $44.50 left to buy a cool hat. how much money did she originally have? write and solve an equation to answer the question.

Answers: 2

continue

Mathematics, 22.06.2019 02:50, dothework

Arepresentative from plan 1 wants to use the graph below to sell health plans for his company how might the graph be redrawn to emphasize the difference between the cost per doctor visit for each of the three plans?

Answers: 1

continue

You know the right answer?

The value of c in this system of equations is 1. 3x+y=9 y=-4x+10
1.Substitute the value of y...