Phazese Phazese

26-02-2021
Mathematics

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Solve the following system of linear equations. 3x − 5y = −39 6x + 2y = −42

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Yang100 Yang100

26-02-2021

Answer:

x=-8, y=3. (-8, 3).

Step-by-step explanation:

3x-5y=-39

6x+2y=-42

------------------

-2(3x-5y)=-2(-39)

6x+2y=-42

------------------------

-6x+10y=78

6x+2y=-42

-------------------

12y=36

y=36/12=3

3x-5(3)=-39

3x-15=-39

3x=-39+15

3x=-24

x=-24/3=-8

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