Exercises: Solving Linear Equations and Inequalities in One Variable

Show all steps. For inequalities, express your answer in inequality notation unless a different form is requested.

Grade 9·23 problems·~30 min·Common Core Math - HS Algebra·standard·hsa-rei-b-3

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Fluency Practice

Solve each equation or inequality. Show your steps.

The formula for the perimeter of a rectangle is $P = 2l + 2w$ . Which expression correctly gives $l$ in terms of $P$ and $w$ ?

$l = P - 2w$

$l = \frac{P}{2} - w$

$l = \frac{P - w}{2}$

$l = 2P - 2w$