Question

Simplify the equations

1 a. -6 - 4(10b - 2)
2 a. -10 + 7z - 4z - 1 + 2z
3 a. -6(b + 3) -6
4 a. 8 - 3(-8s + 2)
5 a. -(c + 7) +2
6 a. 4a + 2a + 1 + 5a
7 a. 10w - 5w - 5 + 10w

Answer 1

`1) -6 - 4(10b - 2) \\ \\ -6 - 40b + 8 \\ \\ -40b + 2 \\ \\ Answer: \fbox {-40b + 2}`

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`2) -10 + 7z - 4z - 1 + 2z \\ \\ -10 + (7z - 4z + 2z) - 1 \\ \\ -10 + 5z - 1 \\ \\ 5z - 11 \\ \\ Answer: \fbox {5z - 11}`

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`3) -6(b + 3) -6 \\ \\ -6b - 18 - 6 \\ \\ -6b - 24 \\ \\ Answer: \fbox {-6b - 24}`

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`4) 8 - 3(-8s + 2) \\ \\ 8 + 24s - 6 \\ \\ 24s + 2 \\ \\ Answer: \fbox {24s + 2}`

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`5) -(c + 7) +2 \\ \\ -c - 7 + 2 \\ \\ -c - 5 \\ \\ Answer: \fbox {-c - 5}`

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`6) 4a + 2a + 1 + 5a \\ \\ (4a + 2a + 5a) + 1 \\ \\ 11a + 1 \\ \\ Answer: \fbox {11a + 1}`

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`7) 10w - 5w - 5 + 10w \\ \\ (10w - 5w + 10w) - 5 \\ \\ 15w - 5 \\ \\ Answer: \fbox {15w - 5}`