Take the expression for $y$ from the second equation and plug it into the first equation everywhere you see $y$.

After substituting, simplify the equation step by step: distribute, combine like terms, and then isolate $x$ by using inverse operations.

In Desmos, type 4x - 2y = 10 on one line and y = x - 1 on another line so both lines are graphed.

Look for the point where the two lines cross. You can tap or click on the intersection point; Desmos will display its coordinates $(x, y)$.

Read the x-coordinate of the intersection point shown by Desmos. That x-value is the solution to the system and is what you should enter as your answer.

The second equation is already solved for $y$:

This means wherever you see $y$ in the first equation, you can replace it with $x - 1$.

Start with the first equation:

Substitute $y = x - 1$ into this equation:

Now you have an equation with only $x$.

Distribute the $-2$ across the parentheses:

So the equation becomes:

Combine like terms:

Now solve this simpler linear equation for $x$.

From the equation

subtract 2 from both sides:

Then divide both sides by 2:

So, the value of $x$ that makes both equations true is 4.