Solve for a, b, c, d
d=-16
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c=-4-4\times 3
Consider the third equation. Insert the known values of variables into the equation.
c=-4-12
Multiply -4 and 3 to get -12.
c=-16
Subtract 12 from -4 to get -16.
d=-16
Consider the fourth equation. Insert the known values of variables into the equation.
a=-4 b=3 c=-16 d=-16
The system is now solved.
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