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Darina [25.2K]
3 years ago
12

Note: Enter your answer and show all the steps that you use to solve this problem in the space provided.

Mathematics
1 answer:
lyudmila [28]3 years ago
8 0

Answer:

-\frac{21}{2}

Step-by-step explanation:

We can solve this system just by summing each side of the equation:

So, both left sides will be sum, and both right sides too.

The resulting expression will be:

(3-y)+(3-y) = 6+21

Ordering and solving both sides:

6-2y=27\\-2y=27-6\\y=\frac{21}{-2}

Hence, the value to the system is -\frac{21}{2}

It's important to combine both equation, because the exercise is asking for the solution of the system.

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