Answered

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please help

4x+y=-1
-5x-2y=-4

Sagot :

Answer: ( -2, 7 )

Step-by-step explanation:

Solve 4x + y = -1 for y:

Add -4 to both sides:

4x + y + -4 = -1 + -4

y = -4x - 1

Now plug -4x -1 in the other equation with y:

-5x - 2 ( -4x -1 ) = -4

3x + 2 = -4

Add -2 to both sides:

3x + 2 - 2 = -4 + -2

3x = -6

Now divide both by 3:

3x/3 = -6/3

x = -2

Now plug in -2 in the first equation with x:

y = - 4 ( -2 ) - 1

y = 7

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