Solve for x k(x)=7x , k(x)=49

$k (x) = 7 x$ , $k (x) = 49$

Step 1

Substitute $49$ for $k (x)$ .

$49 = 7 x$

Step 2

Solve for $x$ .

Rewrite the equation as $7 x = 49$ .

$7 x = 49$

Divide each term in $7 x = 49$ by $7$ and simplify.

Divide each term in $7 x = 49$ by $7$ .

$\frac{7 x}{7} = \frac{49}{7}$

Simplify the left side.

Cancel the common factor of $7$ .

Cancel the common factor.

$\frac{7 x}{7} = \frac{49}{7}$

Divide $x$ by $1$ .

$x = \frac{49}{7}$

Simplify the right side.

Divide $49$ by $7$ .

$x = 7$