Solve for V_1, V_2, a
V_{1}=7
V_{2}=3
a=10
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7+3=a
Consider the third equation. Insert the known values of variables into the equation.
10=a
Add 7 and 3 to get 10.
a=10
Swap sides so that all variable terms are on the left hand side.
V_{1}=7 V_{2}=3 a=10
The system is now solved.
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