subject
Mathematics, 05.02.2021 17:30 mariamsakayanthebest

Using the substitution method, Zack is solving the following system of equations algebraically:
y + 3x = -4
2x – 3y=-21
Which equivalent equation could Zack use?
1) 2(–3x – 4) + 3x =-21
3) 2x – 3(–3x – 4)=-21
2) 2(3x – 4) + 3x = -21
4) 2x – 3(3x – 4) = -21

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 16:10
Abox contains 1 plain pencil and 4 pens. a second box contains 5 color pencils and 5 crayons. one item from each box is chosen at random. what is the probability that a plain pencil from the first box and a color pencil from the second box are selected? write your answer as a fraction in simplest form.
Answers: 1
question
Mathematics, 21.06.2019 18:00
Solutions for 2x+7 less than or equal to 3x-5
Answers: 1
question
Mathematics, 21.06.2019 22:00
Set up and solve a proportion for the following application problem. if 55 pounds of grass seed cover 404 square feet, how many pounds are needed for 7272 square feet?
Answers: 1
question
Mathematics, 22.06.2019 00:00
Heather is riding a quadratic function that represents a parabola that touches but does not cross the x-axis at x=-6
Answers: 1
You know the right answer?
Using the substitution method, Zack is solving the following system of equations algebraically:
Questions
question
English, 17.10.2020 14:01
question
Mathematics, 17.10.2020 14:01
question
Mathematics, 17.10.2020 14:01
question
Mathematics, 17.10.2020 14:01
question
Physics, 17.10.2020 14:01
Questions on the website: 13722363