Why Use the Solve for a Variable Calculator? Solving for a variable is a core skill in algebra, but it’s not always easy — especially when the equation is messy, has multiple variables, or …

Algebra, then, is essentially a branch of mathematics focused on variables, symbols and their operations under guidelines. Mostly letters x, y, and z, these symbols—which stand for …

To solve a formula for a specific variable means to get that variable by itself with a coefficient of 1 1 on one side of the equation and all the other variables and constants on the other side. We …

To solve the equation for different variables step-by-step clear any fractions by multiplying both sides of the equation by the LCM of the denominators. Get all the terms with the wanted …

It comprises different mathematical techniques, constants, and variables in combination. Finding the value of the unknown variable (s) that renders the equation true is the aim of solving an …

How To: Given a system of two equations in two variables, solve using the substitution method Solve one of the two equations for one of the variables in terms of the other.

Evaluating and Solving Functions Learning Outcomes Evaluate and solve functions in algebraic form. Evaluate functions given tabular or graphical data.

To solve a system of equations by elimination, write the system of equations in standard form: ax + by = c, and multiply one or both of the equations by a constant so that the coefficients of one …

To solve linear inequalities, isolate the variable on one side of the inequality, keeping track of the sign of the inequality when multiplying or dividing by a negative number, and express the …

Dec 22, 2025 · How To: Given a linear system of three equations, solve for three unknowns. Pick any pair of equations and solve for one variable. Pick another pair of equations and solve for …