-5 (p+2)=2 (2p-15)+p

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21-09-2016
Mathematics

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-5 (p+2)=2 (2p-15)+p

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Аноним Аноним · Answer 1 · 2016-09-21T05:25:23+02:00

[tex]-5 (p+2)=2 (2p-15)+p[/tex]

[tex]-5p-10=4p-30+p [/tex] [tex]\text{Expand}[/tex]

[tex]-5p-10=5p-30 [/tex]

[tex]-10=5p-30+5p [/tex] [tex]\text{Add 5p to both sides}[/tex]

[tex]-10=10p-30 [/tex]

[tex]-10+30=10p [/tex] [tex]\text{Add 30 to both sides}[/tex]

[tex]20=10p [/tex]

[tex] \dfrac{20}{10}=p [/tex] [tex]\text{Divide both sides by 10}[/tex]

[tex]p=2 [/tex] [tex]\text{Solution}[/tex]