Problem

Which expression is equivalent to $(4 g - 4) -$ $(7 g + 9) ?$
$(- 4 g + 4) - (9 g + 7)$
$(- 4 + 4 g) - (9 + 7 g)$
$- 16 g$
$- 13 g - 3$

Answer

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Answer

$= - 3 (g + 4)$

Steps

Step 1 ： $(4 g - 4) - (7 g + 9) = 4 g - 4 - 7 g - 9$

Step 2 ： $= - 3 g - 13$

Step 3 ： $= - 3 (g + 4)$

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