Assignment:
Q1. Combine like terms:
-3x2 + 8x - 7x2 + 9 + 2x - x2 + 11
Q2. Solve for x:
5x - 12 = 4x + 5
Q3. Solve for x:
-3(4x + 3) - 2 = 7 - 2x + 3
Q4. Solve for x:
(x + 3)/4 - 3/2 = (x + 4)/8
Q5. Translate to an algebra statement; do not solve:
Twice the difference of seven times a number and four yields the same result as the same number increased by six.
Provide complete and step by step solution for the question and show calculations and use formulas.