meganroot19
meganroot19 meganroot19
  • 05-12-2020
  • Mathematics
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PLEASE HELP FAST ILL MARK BRAI LOST IM STRUGGLING SOLVE THIS BY USING THE SUBSTITUTION METHOD!

PLEASE HELP FAST ILL MARK BRAI LOST IM STRUGGLING SOLVE THIS BY USING THE SUBSTITUTION METHOD class=

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ackahedem582
ackahedem582 ackahedem582
  • 05-12-2020

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.

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