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Simplify the expression: 7 – 7(5 + x) – 9x
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Simplify the expression: 7 – 7(5 + x) – 9x
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Mathematics
5 years
2021-07-23T11:05:21+00:00
2021-07-23T11:05:21+00:00 2 Answers
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Answers ( )
Answer:
-16x – 28
Step-by-step explanation:
We have 7 – 7 * (5 + x) – 9x.
First, we take care of the parentheses, which means we need to expand it out. Remember that in expanding out parentheses, we multiply the outside number (-7 in this case) by each of the inside terms (5 and x) and add those together:
-7 * (5 + x) = -7 * 5 + -7 * x = -35 – 7x
Put this back into the original equation:
7 + -35 – 7x – 9x = -16x – 28
Thus, our simplification is -16x – 28.
~ an aesthetics lover
7 – 35 – 7x – 9x
-28 -16x