Example

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

Question

$$\frac{ 5a-7 }{ 3 } =4$$

Answer

a=19/5

Solution


Multiply both sides by \(3\).
\[5a-7=4\times 3\]
Simplify  \(4\times 3\)  to  \(12\).
\[5a-7=12\]
Add \(7\) to both sides.
\[5a=12+7\]
Simplify  \(12+7\)  to  \(19\).
\[5a=19\]
Divide both sides by \(5\).
\[a=\frac{19}{5}\]

Decimal Form: 3.8

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