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# Solving equations...!!!

1. Simplify: 4[a - b(2 + 3a)] - 3a[2+b(4 - a)]
2. Simplify: (7x2 - 2y + z) + (3y - z) + (4x2 - 6y)
3. Simplify: (8x2 - xy + 4y2) - (12x2 - y2 + 7xy)
4. Simplify: (12x2y2 - 15xy2)/(3xy)
5. Simplify: 5x[(3x2 + x - 4) + (9x2 - 6x)/(3x)]
6. Simplify: 8 - {3x + 9y - (2x - y) + 8x + 5y}

7.If P = 2y - 6xy - 3x and Q = 4 - 5y, find 2P - 3Q and simplify the answer.

8.A woman buys three board games for \$107.10, including tax. If each board game cost \$34, what was the sales tax rate?

9.Sandy has \$3.25 in change. She has five more dimes than quarters but twice as many nickels as dimes. Express the given information as an algebraic equation and simplify. [I am not required to solve the problem.]

10.Jim's nephew owns a triangular plot of land. The perimeter fence that surrounds the land measures 121 feet. The shortest side is 15 feet longer than one-half of the longest side. The second longest side is 4 feet shorter than the longest side. What is the length of each side?

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