Solve for A
A=14
Solve for a
a\in \mathrm{R}
A=14
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14=A+0+0a
Do the multiplications.
14=A+0+0
Anything times zero gives zero.
14=A
Add 0 and 0 to get 0.
A=14
Swap sides so that all variable terms are on the left hand side.
Examples
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Matrix
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Limits
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