Tentukan nilai X yang memenuhi sistem persamaan 2X + Y - 3 = 0 dan X + 4Y = -23
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2x + y = 3 | x 4 |
x + 4y = - 23
8x + 4y = 12
x + 4y = -23
---------------- -
7x = 12-(-23)
7x = 35
x = 35/7
x = 5
2x + y = 3 | x 4 |
x + 4y = - 23
8x + 4y = 12
x + 4y = -23
7x = 12-(-23)
7x = 35
x = 35/7
x = 5