Solve the equation square root of x plus three plus four equals five for the variable. show each step of your solution process

Step-by-step explanation:

The given expression is

We group the constant terms on the right hand side to obtain;

We square both sides of the equation to remove the square root.

This will simplify to;

For this case we must solve the following equation:

We subtract 4 on both sides of the equation:

We square both sides of the equation:

We have an equation of the form:

Where:

The solutions are given by:

Substituting:

So, the roots are:

the answer is 13 cm