Solve for x: 3x+5=20

Step-by-step solution

1. 1

   Given equation

   We are given the equation:

   $$3x+5=20$$
2. 2

   Principle of equality

   Perform same operation on both sides to maintain equality.
3. 3

   Isolate x term

   First, isolate the term containing $x$.
4. 4

   Subtract 5 from both sides

   Subtract 5 from both sides of the equation:

   $$3x+5-5=20-5$$
5. 5

   Simplify

   Simplify the equation:

   $$3x=15$$
6. 6

   Divide by 3

   Divide both sides by 3 to solve for $x$:

   $$\frac{3x}{3}=\frac{15}{3}$$
7. 7

   Final value of x

   The value of $x$ is:

   $$x=5$$