QUESTION IMAGE
Question
- $-6x + 6y = 6$ $-6x + 3y = -12$
Step1: Restar las dos ecuaciones
$$\begin{align*}
(-6x + 6y) - (-6x + 3y) &= 6 - (-12)\\
-6x + 6y + 6x - 3y &= 6 + 12\\
3y &= 18
\end{align*}$$
Step2: Resolver para $y$
$$
y = \frac{18}{3} = 6
$$
Step3: Sustituir $y=6$ en la primera ecuación
$$
-6x + 6(6) = 6
$$
Step4: Simplificar y resolver para $x$
$$\begin{align*}
-6x + 36 &= 6\\
-6x &= 6 - 36\\
-6x &= -30\\
x &= \frac{-30}{-6} = 5
\end{align*}$$
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$x=5$, $y=6$