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Solving Simple Linear Equations

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Solving Simple Linear Equations, a selection of answers from the Dr. Math archives.

Solving an Equation
Applying inverses to solve an equation.

Isolate the Variable
Simplifying equations: what are the steps to solve 4c + 23 = 9c -7?

Equations with Variables
Solving equations with variables on both sides, like 6 - 2y = 7y + 13.

Basic Tips on Solving for X
I've tried several times to solve problems like 2x - 7 = 3 + x, but I still can't get the answers. Can you help?

Multiplication and Division Equations
Solve for x: 17x = 85.

Solving an Algebra Equation
I hope you will be able to help me with this problem: 10-(k+5) = 3(k+2).

Two-Step Equations and Equations with Variables
I'm in pre-algebra and I suffer at 2-step equations and the ones with variables on both sides...

Substitution and Elimination
Could you please explain substitution and elimination to me step by step?

Different Ways of Solving Systems of Linear Equations
Solving systems of equations by inspection, elimination, substitution, intersection, or graphing.

Substituting in Linear Equations
I am given two equations, 2y = 5x + 8x and 3y = 4x + 9x, and told to substitute something. What should I do?

Equations: the "Elimination" Method
Is there an easier way to solve a system of two equations than by the substitution method?

How to Turn Word Problems into Algebra Equations
Where do you put the letters and numbers when setting up algebra equations from word problems?

Return to
Middle School Algebra
Middle School Equations
High School Algebra
High School Linear Equations
Index of Selected Answers to Common Questions

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