Example

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

Question

$$x-4=7$$

Answer

x=11

Solution


Add \(4\) to both sides.
\[x=7+4\]
Simplify  \(7+4\)  to  \(11\).
\[x=11\]
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