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2 years ago

Solve the system equations and choose the correct ordered pair 3x+2y=12 6x+3y=21

Mathematics

1 answer:

Harrizon [31]2 years ago

6 0

Answer:

(2, 3).

Step-by-step explanation:

3x+2y=12

6x+3y=21 Multiply the first equation by 3 and the second by 2:

9x + 6y = 36

12x + 6y = 42 Subtract:

-3x = -6

x = -6/-3 = 2.

Plug x = 2 into the first equation:

3(2) + 2y = 12

2y = 12 - 3(2)

2y = 6

y = 3.

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