subject
Mathematics, 30.03.2021 16:20 joshWash

Solve the following system of equations by substitution. 1. y=x+3 and y=2x+1

2. x+y=7 and x+2y=11

3. 2y=x+7 and x=y-4

4. -3x-4y=-2 and y=2x-5

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 14:30
Find a number such that if you add 8 and divide the result by 4 you will get the same answer as if you subtracted 3 from the original number and divided by 2
Answers: 3
question
Mathematics, 21.06.2019 15:30
Find the height of a square pyramid that has the volume of 32 ft.³ and a base lengthof 4 feet
Answers: 1
question
Mathematics, 21.06.2019 19:00
Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?
Answers: 2
question
Mathematics, 21.06.2019 20:30
Answer asap ill give ! ’ a sample of radioactive material decays over time. the number of grams, y , of the material remaining x days after the sample is discovered is given by the equation y = 10(0.5)^x. what does the number 10 represents in the equation? a. the half-life of the radioactive material, in days b. the amount of the sample, in grams, that decays each day c. the time, in days, it will take for the samples to decay completely d. the size of the sample, in grams, at the time the material was discovered
Answers: 1
You know the right answer?
Solve the following system of equations by substitution. 1. y=x+3 and y=2x+1

2. x+y=7 a...
Questions
question
Mathematics, 12.04.2021 16:50
question
Mathematics, 12.04.2021 16:50
question
Mathematics, 12.04.2021 16:50
question
History, 12.04.2021 16:50
Questions on the website: 13722359