Solve for a
a=-1
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a\left(-4\right)-5=-1
Swap sides so that all variable terms are on the left hand side.
a\left(-4\right)=-1+5
Add 5 to both sides.
a\left(-4\right)=4
Add -1 and 5 to get 4.
a=\frac{4}{-4}
Divide both sides by -4.
a=-1
Divide 4 by -4 to get -1.
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Matrix
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Limits
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