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3 years ago

10

Solve the system 12x+2y=86 6x+2y=56

1 answer:

Ghella [55]3 years ago

3 0

<span>12x+2y=86 -
6x+2y=56
-------------------
6x = 30 => x = 30 : 6 = 5

2y = 56 - 30 => 2y = 26 => y = 13</span>

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