Example

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

Question

$$20-30=5+2P$$

Answer

P=-15/2

Solution


Simplify  \(20-30\)  to  \(-10\).
\[-10=5+2P\]
Subtract \(5\) from both sides.
\[-10-5=2P\]
Simplify  \(-10-5\)  to  \(-15\).
\[-15=2P\]
Divide both sides by \(2\).
\[-\frac{15}{2}=P\]
Switch sides.
\[P=-\frac{15}{2}\]

Decimal Form: -7.5

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