Example

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

Question

$$\frac{ 2a+3 }{ 5 } =4$$

Answer

a=17/2

Solution


Multiply both sides by \(5\).
\[2a+3=4\times 5\]
Simplify  \(4\times 5\)  to  \(20\).
\[2a+3=20\]
Subtract \(3\) from both sides.
\[2a=20-3\]
Simplify  \(20-3\)  to  \(17\).
\[2a=17\]
Divide both sides by \(2\).
\[a=\frac{17}{2}\]

Decimal Form: 8.5

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