Question 12: Consider the function defined by \(k(x) =7x-5\). If \(k(x)=100\), find the value of \(x\).
Solution:
\(k(x) =7x-5\)
\(7x-5=100\)\(\ \_\_\_\_\_\_\ (1)\)\(\quad \because k(x)=100\)
\(7x=100+5\)
\(7x=105\)
\(x=\frac{105}{7}\)
Question 12: Consider the function defined by \(k(x) =7x-5\). If \(k(x)=100\), find the value of \(x\).
Solution:
\(k(x) =7x-5\)
\(7x-5=100\)\(\ \_\_\_\_\_\_\ (1)\)\(\quad \because k(x)=100\)
\(7x=100+5\)
\(7x=105\)
\(x=\frac{105}{7}\)