T1U2 Solving Equations/Literal Equations

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What is a literal equation?

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A literal equation is an equation that involves two or more variables. It is often solved for one variable in terms of the others.

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What does it mean to solve an equation?

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To solve an equation means to find the value(s) of the variable(s) that make the equation true.

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What is the formula for the total membership of a fitness club after x months if it starts with 80 members and increases by 15 members each month?

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What is the sum of the angles in a rectangle?

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The sum of the angles in a rectangle is always 360 degrees.

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How do you isolate a variable in an equation?

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To isolate a variable, you perform inverse operations to get the variable on one side of the equation and the constants on the other.

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What does it mean if an equation has no solution?

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An equation has no solution if there are no values for the variable that can satisfy the equation.

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What does it mean if an equation has infinitely many solutions?

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An equation has infinitely many solutions if any value of the variable satisfies the equation.

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The first step is to simplify the right side of the equation.