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Siena Fleming
11 April, 07:04
How do you solve - 4 (7a+5) = - 160
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Finley Meadows
11 April, 07:58
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-4 (7a+5) = - 160
=>4 (7a+5) = 160 (Removing the negative signs by switching the sides)
=>4 (7a+5) / 4 = 160/4 (Dividing both sides by 4)
=>7a+5 = 40
=>7a+5-5 = 40-5 (Subtarcting 5 from both sides)
=>7a = 35
=>7a/7 = 35/7 (Dividing both sides by 7)
Therefore, a=5 (Answer)
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Nataly Olson
11 April, 09:10
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-4 (7a+5) = - 160
distribute the - 4 on the left hand side
-4 * 7a + - 4*5 = - 160
-28a + -20 = 160
-28a - 20 = - 160
add 20 to each side
-28a-20+20 = - 160 + 20
-28a = - 140
divide by - 28 on each side
-28a/-28 = - 140/-28
a = 5
Answer: a=5
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