Solve for a, b, c, d
d=15
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b=10+5
Consider the second equation. Insert the known values of variables into the equation.
b=15
Add 10 and 5 to get 15.
c=15
Consider the third equation. Insert the known values of variables into the equation.
d=15
Consider the fourth equation. Insert the known values of variables into the equation.
a=10 b=15 c=15 d=15
The system is now solved.
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