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A.5ASolving linear equations with a variable on both sides

VocabAn equation is a mathematical statement that two expressions are equal.

A solution of an equation is a value of the variable that makes the equation true.

VariableA letter or symbol used to represent any value that makes the equation true

OBJECTIVE Solve one-step equations in one variable by using multiplication or division.

Solving Equations using Addition or Subtraction

Examples: Addition/Subtraction

Examples: Addition/Subtraction

Solving Equations using Addition or Subtraction

ObjectiveSolve one-step equations in one variable by using multiplication or division.

“What doing the opposite means.”

ExamplesUsing multiplication

ExamplesUsing multiplication

ExamplesUsing Division

ExamplesUsing Division

ExamplesUsing Division

A.5ASolving linear equations with a variable on both sides

VocabAn equation is a mathematical statement that two expressions are equal.

A solution of an equation is a value of the variable that makes the equation true.

VariableA letter or symbol used to represent any value that makes the equation true

Example 1

What do we know about this algebraic eqn.Variables:Its it balanced:What is the value of x?

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Worksheet practice

A.5ASolving linear equations with a variable on both sides

Solving Two step and Multi-Step Equations

ExamplesTwo step equations

What are the two steps required to solve for the variable?

A.5ASolving linear equations with a variable on both sides

Solving Two step and Multi-Step Equations

A.5ASolving linear equations with a variable on both sides

Solving Two step and Multi-Step Equations

Combining like termsWhen having the same letter (x) the coefficients will be combined (whether added or subtracted

Example

2x+3x=5 5x=5

7y+5=6yto combine like terms is the goal of getting the variables together

A.5ASolving linear equations with a variable on both sides

Solving Two step and Multi-Step Equations

Worksheet time!