# solve the following

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1. Evaluate x + y when x = 5 and y = -7.

1. Evaluate when x = 18 and y = 2.

1. Multiply: 8(2 – n)

1. Multiply: -2(y – 1)

1. Factor: 28 – 35x

1. Factor: 9a + 27 + 45b

1. Collect like terms: 3x – 15y – 8x + y

1. Collect like terms: -4a + b + 6a – 12b

1. Solve: t + 9 = 23

1. Solve: t – 7 = 21

1. Solve: 7t = -42

1. Solve:

1. Solve: 6t + 4 = 7t – 1

1. Solve:

1. Solve: 5 – t = 14

1. Solve:

1. Solve: 2.4t + 4.5 = 3.6t – 1.9 – 0.4t

1. Solve: 6(t + 4) = 54

1. Solve: -3t – 2(t – 1) = 5

1. Translate to an algebraic expression: Three less than some number.

1. The perimeter of a rectangular piece of poster board is 96 in. The length is 8 in. greater than the width.  Find the width and the length.

1. Joseph allocates \$800 to hotel stays. This represents 36% of his expense budget.  Find his expense budget.

1. A 19-ft board is cut into two pieces. One piece is 3 ft longer than the other.  How long are the pieces?

1. What is the formula for finding the amount in an account after t years using simple interest?

1. Money is invested in a savings account at 5% simple interest. After 1 year, there is \$262.50 in the account.  How much was originally invested?

1. When 18 is subtracted from four times a certain number, the result is 5/2 the original number. What is the number?

1. What is the sum of all of the angles in a triangle?

1. The second angle of a triangle is three times as large as the first. The third angle is 20 degrees less than the sum of the other two angles.  Find the measure of the first angle.

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