Back to Solve linear equations and inequalities — Problem 3 · Task Set 36

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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Warm-Up: Review What You Know

These problems review skills from earlier courses.

A student solves $3x = 12$ for $x$ by dividing both sides by 3. If instead the equation is $ax = 12$ (where $a \neq 0$ ), which expression gives $x$ ?

$x = 12 - a$

$x = 12a$

$x = a + 12$

$x = \frac{12}{a}$