To solve for x, you need to isolate it on one side of the equation. Here's how:
-10 = x - 21
To move the -21 to the other side, you can add 21 to both sides of the equation:
-10 + 21 = x - 21 + 21
11 = x
Therefore, the solution to the equation is x = 11.
Solve the equation.
-10 = x - 21
1 answer