Question
Asked Oct 27, 2019
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Solve the system of equations by either the addition method or the subtitution method. Express numbers as integers or decimals. 

-0.1x+0.1y=0.2 

0.1x+0.1y=0.1

 

The solution set is( , )

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Expert Answer

Step 1
-0.lx + 0.ly = 0.2
Consider the give system of the equations as
|0.1x+ 0.ly = 0.1
Multiply the system of equation by 10 on each sides and obtained as system of the
x 2
equations as
(x+ y =1
help_outline

Image Transcriptionclose

-0.lx + 0.ly = 0.2 Consider the give system of the equations as |0.1x+ 0.ly = 0.1 Multiply the system of equation by 10 on each sides and obtained as system of the x 2 equations as (x+ y =1

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Step 2
Solve the above equations using addition method as follows
-x 2
x +y1
0 2y 3
3
V =.
2
y 1.5
help_outline

Image Transcriptionclose

Solve the above equations using addition method as follows -x 2 x +y1 0 2y 3 3 V =. 2 y 1.5

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