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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!