Q 1: In the expression, t + 10, the letter t is called a algebraic letter mystery letter expression variable

Q 2: Solve: 5 = 5 + n Answer:

Q 3: 400 = 40x Sally earns $400. In how many weeks will she earn $40? Sally earns $40 per week. In how many weeks will she earn $400?

Q 4: y/8 = 3, find the value of y. Answer:

Q 5: Solve the following linear equations.
x  3y + z = 1
2x  y  2z = 2
x + 2y  3z = 1
x = 1, y = 1 and z = 2 x = 1, y = 1 and z = 2 inconsistent system x = 1, y = 1 and z = 3

Q 6: 9x^{3} + 7 = 16 One Variable Linear Equation Nonlinear Equation Two Variable Linear Equation

Q 7: 9 + 9 = 9^{2} True False

Q 8: 7 times a number gives 49. x + 7 = 49 x = 49*7 7x = 49 7/x = 49

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!

