Solve the system by substitution,if possible. $$\left\{ \begin{array} { l }
- 6 x + 7 y = 50 \
12 x + 14 y = 124
\end{array} \right.$$
A)(9,-6)
B)(1,8)
C)(-6,9)
D)(-7,10)
E)No solutions

Question

Solve the system by substitution,if possible.​ $$\left\{ \begin{array} { l } 
- 6 x + 7 y = 50 \
12 x + 14 y = 124
\end{array} \right.$$ ​
A)(9,-6)
B)(1,8)
C)(-6,9)
D)(-7,10)
E)No solutions

Quizplus · Accepted Answer

Substitute $ x = 1 $ and $ y = 8 $ into both equations:  First equation: $-6(1) + 7(8) = -6 + 56 = 50$  Second equation: $12(1) + 14(8) = 12 + 112 = 124$  Both equations are satisfied, so (1,8) is the solution.

Solve the System by Substitution,if Possible {−6x+7y=5012x+14y=124\left\{ \begin{array} { l } - 6 x + 7 y = 50 \\12 x + 14 y = 124\end{array} \right.{−6x+7y=5012x+14y=124​

Solve the System by Substitution,if Possible $\left\{ \begin{array} { l } - 6 x + 7 y = 50 \\12 x + 14 y = 124\end{array} \right.$