cadesladen
cadesladen
28-05-2018
Mathematics
contestada
4x = 18-y, if x=2 and y=6
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prinsomnia
prinsomnia
29-05-2018
if you're using substitution, solve for the first variable in one of the equations, then substitute the result into another equation. your answer is no solution:
x = 2 ; y = 6
4x = 18 - y
4 (2) = 18 - 6
8 = 12
8 does not equal 12, there is no solution
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