Find Value Calculator

Brackets, fractions of the form x/4 and decimals are all accepted.
The letter to solve for.
Solution
-12
Linear Equation Solver
Solution as a fraction
-12
Answer
x = -12
Type of equation
unique
Collected form
x + 12 = 0
Net coefficient of the variable
1
Net constant term
12
Left side at the solution
-31
Right side at the solution
-31
Substitution check passes
yes
Worked out from OpenStax, Elementary Algebra 2e, Chapter 2: Solving Linear Equations and Inequalities and 1 other source.

How this is worked out

5 steps
  1. Start: 3x + 5 = 2x - 7
  2. Move every term to the left: (3x + 5) - (2x - 7) = 0, which collects to x + 12 = 0.
  3. Isolate x: 1x = -12.
  4. Divide both sides by 1: x = -12 / 1 = -12.
  5. Check: left side = -31, right side = -31.

Results are general information, not financial, tax, legal, medical or engineering advice.