Mathematics
Linear Equation in One Variable
Solve a linear equation with one variable.
ax + b = 0 → x = -b/a
Formula Explanation
Isolate the variable by moving constants to the other side and dividing by the coefficient.
Variables Explained
a = coefficient of x; b = constant term.
Solved Example
Solve 3x + 12 = 0.
x = -12/3 = -4.