Example

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

Question

$$7t-2+=6+9$$

Answer

t=(15+2+)/7

Solution


Simplify  \(6+9\)  to  \(15\).
\[7t-2+=15\]
Add \(2+\) to both sides.
\[7t=15+2+\]
Divide both sides by \(7\).
\[t=\frac{15+2+}{7}\]
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