3 years ago

Solve the system of equations by adding. checking your answer

Mathematics

1 answer:

Brut [27]3 years ago

3 0

Answer:

Step-by-step explanation:

This is very easy, because the coefficients of the y terms are 2 and -2. You can easily eliminate the y terms by adding the equations together:

2x + 2y = 2

3x - 2y = 43

-----------------

5x + 0y = 45, so x = 9

Use the value of x to solve for y:

2(9) + 2y = 2

y = -8

(x,y) = (2, -8)

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