If 3 x+7=x²+P=7 x+5, what is the value of P ? · ABC26GN0990

Subject: General Aptitude · Chapter: Simplification

If $3 x+7=x^{2}+P=7 x+5$, what is the value of $P$ ?

(a)$\frac{1}{2}$

(b)$8 \frac{1}{4}$

(c)$8 \frac{1}{2}$

(d)Cannot be determined

Answer

Answer (as printed): B

Explanation

$3 x+7=7 x+5 \Rightarrow 7 x-3 x=2 \Rightarrow 4 x=2 \Rightarrow x=\frac{1}{2}$.

Explanation as extracted from the printed page; notation may be imperfect.

Study loop for Simplification