Lets try to solve a more involved equation. 3x - 4 11. How do you solve it.
Decide whether to use addition or subtraction to isolate the variable term.
Here are some things we can do. In fact solving an equation is just like solving a puzzle. Decide whether to use addition or subtraction to isolate the variable term. So lets say that we have 2x plus 3 2x plus 3 is equal to is equal to 5x minus 2.