Mathematics, 08.03.2020 23:43, Thania3902

Step by step how do I solve system of three linear equations in three variables by means of a combination of substitution and addition elimination
2x-y +3z=-14
4x+2y-z=12
6x-3y+4z=-22
I don't understand which two I add or subtract

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 14:30, asims13

Suppose the radius of a circle is 16. what issuppose the radius of a circle is 16. what is its circumference its circumference

Answers: 2

continue

Mathematics, 21.06.2019 15:30, megancrader11

Will mark brainliest if you answer ! the taco shop sold 198 lunches friday. this number is 3 more than 3 times the number they sold monday. let n represent the number of lunches sold monday. which equation shows an equality between two different ways of expressing the number of lunches sold on friday? a. n – 3 = 198 b. 3n – 3 = 198 c. 3n + 3 = 198 d. n + 3 = 198

Answers: 1

continue

Mathematics, 21.06.2019 17:30, amourrrblackkkk

Which of the following is correct interpretation of the expression -4+13

Answers: 2

continue

Mathematics, 21.06.2019 19:00, alaina3792

Lucy is a dress maker. she sews \dfrac47 7 4 of a dress in \dfrac34 4 3 hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicable

Answers: 3

continue

Do you know the correct answer?

Step by step how do I solve system of three linear equations in three variables by means of a combin...