Identify When Two Expressions Are Equivalent

For each pair of expressions: first test with substitution, then verify or disprove algebraically.

Grade 6·19 problems·~25 min·Common Core Math - Grade 6·standard·6-ee-a-4

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Fluency Practice

Which pair of expressions IS equivalent?

$4y + 2$ and $2(2y + 2)$

$3a + 6$ and $3(a + 2)$

$2x + 4$ and $2(x + 4)$

$5n + 3$ and $5(n + 3)$