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kondor19780726 [428]
3 years ago
13

What is the solution to the system of equations graphed below? y = x - 2 y = 4x - 5

Mathematics
1 answer:
ololo11 [35]3 years ago
6 0
There are 3 available methods - Substitution , Elimination and <span>Matrix.  

</span>The substitution<span> method is used to eliminate one of the variables by replacement. 
</span>
The elimination method<span> is used for solving linear systems. 
</span>
<span>A Matrix is an array of numbers. 
</span>
Lets use Substitution to solve this system. 

x-2=4x-5 

-2=4x-5-x 

-2=(4x-x)-5&#10;&#10; &#10; 

-2=3x-5 

-2+5=3x 

3=3x 

3=3x / 3 

x=1 

Now substitute <span>x=1  
</span>
y=x-2 

y=1-2&#10;&#10; &#10; 

y=-1&#10;&#10; 

Hence - x=1&#10; &#10;y=-1 

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