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Sagot :
one solution (option B)
Explanation:x + 4y = 8 ...equation 1
x + 2y = 4 ....equation 2
Using elimination method:
We would be eliminating x as the coefficient of x in both equation is the same.
subtract equation 2 from 1:
x - x + 4y - 2y = 8 - 4
0 + 2y = 4
2y = 4
y = 4/2
y = 2
substitute for y in any of the equations:
using equation 1:
x + 4(2) = 8
x + 8 = 8
x = 8-8
x = 0
Since we have two equations and a solutionof x and y (indicating their point of intersection), the system has one solution (option B)
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