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how do i solve using substitution method? Please try to put as much detail so i can understand it better.

How Do I Solve Using Substitution Method Please Try To Put As Much Detail So I Can Understand It Better class=

Sagot :

y = -2x -6

y = -x-2

Substitute the second equation into the first equation

-x-2 = -2x-6

Add 2x to each side

-x-2 +2x = -2x-6+2x

x-2 = -6

Add 2 to each side

x-2+2 = -6+2

x = -4

Now find y

y = -x-2

Substitute the value of x

y = -(-4)-2

y = 4-2

y =2

The solution is x=-4, y= 2

(-4,2)

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