Algebra 1 · Expressions & Equations
Solution
Algebra 1 · Expressions & Equations
Definition
A solution is a value of the variable that makes an equation a true statement.
Examples
- x = 4 is the solution of x + 3 = 7.
- x = -2 is the solution of 2x = -4.
Key rule
Substitute the solution back in to check it makes both sides equal.
Memory hook
Solution makes the equation true when you plug it in.