Problem

Which expression is equivalent to $(7 a + 7) -$ $(- 4 a + 6) ?$
$a + 11$
$7 a + 7 + 4 a - 6$
$12 a$
$(7 a + 7) - (6 a - 4)$

Answer

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Hide Steps

Answer

$11 a + 1$

Steps

Step 1 ： $(7 a + 7) - (- 4 a + 6)$

Step 2 ： $7 a + 7 + 4 a - 6$

Step 3 ： $11 a + 1$

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