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Mazyrski [523]
3 years ago
15

Determine whether the following system of equations has one solution, no solution, or an infinite number of solutions. Explain y

our reasoning.
2x - 4y = 10
7x - 9y = 12
Mathematics
1 answer:
expeople1 [14]3 years ago
6 0
<span>A) 2x - 4y = 10
B) 7x - 9y = 12
Multiplying equation A by -3.5
A) -7x +14y = -35 then adding B
B) </span><span><span>7x - 9y = 12</span>
5y = -23
y = -4.6
</span>
2x -4*-4.6 = 10
2x + 18.4 = 10
2x = -8.4
x = -4.2
It has one solution (-4.2, -4.6)
 


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we have

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