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Solve for x and y:x - 2y = -52x + 3y = 11a) (-7, -1)b) (7, -1)c) (3, 4)d) (1, 3)

User Urnotsam
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1 Answer

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In order to solve the given system of equations, proceed as follow:

Multiply the first equation by 2:

(x - 2y = -5)(2)

2x -4y = -10

Next, subtract the second equation of the system to the previous equation:

2x - 4y = -10

-2x - 3y = -11

0 - 7y = -21

Solve the previous equation for y:

-7y = -21

7y = 21

y = 21/7

y = 3

Now, replace the previous result for y into the first equation of the system and solve for x:

x - 2y = -5

x - 2(3) = -5

x - 6 = -5

x = -5 + 6

x = 1

Hence, the solution for the given system of equations is the point (1,3)

User Hallidave
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