Answer:
[tex]p = \frac{ q - 3r }{ 2}[/tex]
Step-by-step explanation:
2p + 3r = q
2p + 3r - 3r = q - 3r [ subtract 3r from both sides ]
2p + 0 = q - 3r [ -3r + 3r = 0 ]
2p = q - 3r
[tex]\frac{2p}{2} = \frac{q-3r}{2}[/tex] [ divide by 2 on both sides ]
[tex]p = \frac{ q - 3r }{ 2}[/tex]
