Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$$4-N=11$$

Answer

N=-7

Solution


Subtract \(4\) from both sides.
\[-N=11-4\]
Simplify  \(11-4\)  to  \(7\).
\[-N=7\]
Multiply both sides by \(-1\).
\[N=-7\]
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