Questions Solve the equation. Write a reason for each step.
6(7+18) = 4(x+8)
STATEMENTS
REASONS
1. 6(70 +18) = 4 (2+8)
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2.
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2. Distributive Property
3.42x - 4x + 108 = 4x - 4x +32
3. Select)
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4.
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4. Substitution
5. 38.6 + 108 - 108 = 32 - 108
5. Select
16.
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6. Substitution
7.3 = -2
7. Select)
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18.
8.
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If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

Which situation can be modeled by the inequality 5 + 10w ≥ 45? a. you start with $5 and save $10 a week until you have at least $45. b. you start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards. c. you start with 5 water bottles and purchases cases of 10 water bottles each until you have a total of 45 water bottles. d. you spend $5 plus $10 per week until you have less than $45.

List x1, x2, x3, x4 where xi is the midpoint endpoint of the five equal intervals used to estimate the area under the curve of f(x) between x = 0 and x = 10.