Question

f +3p = 1 and f+2p= 2

Answer 1

$\textbf{f + 3p = 1}$ ____(1)

And

$\textbf{f + 2p = 2}$ ______(2)



Subtract (1) and (2)

(f + 3p) - (f + 2p) = 1 - 2

f + 3p - f - 2p = -1

$\textbf{p = -1}$


Put this value in (1)


f + 3(-1) = 1

f - 3 = 1

f = 1 + 3

$\textbf{f = 4}$

Answer 2

$\huge\pink{\mathfrak{hello!!}}$

$f + 3p = 1 \\ \\ f + 2p = 2....(1) \\ - \: \: - \: \: = - \\ p = - 1 \\ \\ now.. \\ \\ \orange { \: from \: eq \: (1) } \\ \boxed{ \red{f = 4}} \\ \\ values : \boxed{ \purple{f = 4} \: and \: \red{p = - 1}}$

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