Arealbot
05.12.2020 •
Mathematics
PLEASE HELP FAST ILL MARK BRAI LOST IM STRUGGLING SOLVE THIS BY USING THE SUBSTITUTION METHOD!
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Ответ:
Step-by-step explanation:
x - 6y = 6 (1)
x + 3y + 12 = 0 (2)
From eqn (1);
x = 6 + 6y
Putting this into eqn (2);
6 + 6y + 3y + 12 = 0
9y + 18 = 0
9y = -18
y = -2
x = 6 + 6(-2) = -6
hence;
x = -6 and y = -2.
Ответ: