Question

Helpp whats the answer 5x=15

Answer 1

Answer:

$\boxed{\tt x=3}$

Step-by-step explanation:

We are given the equation:

$5x=15$

and asked to solve for $x$. Therefore, we must isolate the variable on one side of the equation.

$x$ is being multiplied by 5. The inverse of multiplication is division. Divide both sides of the equation by 5.

$\frac{5x}{5}=\frac{15}{5}$

$x=\frac{15}{5}$

$x=3$

Let's check our solution. Plug 3 in for x and solve.

$5x=15$

$5(3)=15$                      

$15=15$

This checks out, so we know our solution is correct.

The solution to 5x=15 is x=3.