lily777
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What is the solution of the system of equations?

{4x−3y=15

{2x+2y=4

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Verified Answer :

{4x−3y=15
{2x+2y=4

multiply -2 to both sides to the second equation
-4x - 4y  = -8

{4x−3y=15
{-4x - 4y  = -8
---------------------add
-7y = 7
y = -1

4x−3y=15
4x -3(-1) = 15
4x + 3 =15
4x = 12
x = 3

answer: (3, -1)

Joshtray

x = \(\frac{7}{4}\)
y = \(\frac{1}{7}\)
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