Question

question
given $f(x)=3x + 1$, solve for $x$ when $f(x)=7$.

Explanation:

Step1: Substitute f(x) value

Set $3x + 1=7$.

Step2: Isolate the term with x

Subtract 1 from both sides: $3x=7 - 1$, so $3x = 6$.

Step3: Solve for x

Divide both sides by 3: $x=\frac{6}{3}$, so $x = 2$.

Answer:

$2$