Substitution Method Calculator

Your details

Coefficient of x in the first equation.
Coefficient of y in the first equation.
Constant on the right-hand side of the first equation.
Coefficient of x in the second equation.
Coefficient of y in the second equation.
Constant on the right-hand side of the second equation.
xUnique solution
3.3333

Solution value for x

y1.3333
Solution typeUnique solution
Equation 1 check8 = 8 ✓
Equation 2 check2 = 2 ✓
x3.3333
y1.3333

Solution: x = 3.3333, y = 1.3333.

  • Substituting back: equation 1 gives 8, which matches 8.
  • Equation 2 gives 2, which matches 2.
  • Geometrically, this is the exact point where the two lines cross on the coordinate plane.

Next stepSubstitute x and y into either original equation to double-check. If you get different numbers, re-enter the coefficients.

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