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Solve the following system of equations:y= -9x + 13y = 6x – 2 I need help

User Jwanga
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1 Answer

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21 votes

To solve the system know by the first equation that y = -9x + 13, so if we replace this on the second equation, we get:

y = 6x - 2

-9x + 13 = 6x - 2

Then, solving for x, we get:

-9x + 13 - 13 = 6x - 2 - 13

-9x = 6x - 15

-9x - 6x = 6x - 15 - 6x

-15x = -15

x = (-15)/(-15)

x = 1

Therefore, we can calculate y as:

y = -9x + 13

y = -9*1 + 13

y = -9 + 13

y = 4

So, the solution is ( x , y ) = ( 1 , 4 )

Answer: (1,4)

User Dave Levy
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