Mathematics: Astudent is trying to solve the system of two equations given below: equation p: y + z = 6 equation q: 8y + 7z = 1 which of these is a possible step used in eliminating the y-term? (y + z = 6) ⋅ −8 (y + z = 6) ⋅ 7 (8y + 7z = 1) ⋅ 7 (8y + 7z = 1) ⋅ 8

Astudent is trying to solve the system of two

Ответ:

PencilLover101

17.01.2022

Hello,
the student used the same equation

y+z=6 |*(-8)
8y+7z=1 |*1

==>-8z+7z=-48+1
==>-z=-47
==>z=47
(1)==>y=-47+6
==>y=-41

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Ответ:

pandasarecute53

15.07.2021

Mathematics

Step-by-step explanation:

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Astudent is trying to solve the system of two equations given below:

equation p: y + z = 6
equation q: 8y + 7z = 1

which of these is a possible step used in eliminating the y-term?

(y + z = 6) ⋅ −8
(y + z = 6) ⋅ 7
(8y + 7z = 1) ⋅ 7
(8y + 7z = 1) ⋅ 8

Ответ:

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