The system of equations are and
.
Solve the system of equations by elimination method.
\Step 1:
\Subtract the equations to eliminate a variable.
\
(Divide each side by
)
(Cancel common terms)
Step 2:
\Substitute into any original equation to find
value.
(First equation)
(Substitute
)
(Multiply)
(Add
to each side)
(Apply additive inverse property:
)
(Divide each side by
)
(Cancel common terms) \ \
The solution of the system is .
Option B is right choice.
\Option B is right choice.