What value of x makes the equation 6x – 17 = 43 true?
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For the expression 1/(n – 8), which value of n is not allowed?
Which expression represents ‘five less than twice a number n’?
A linear rule produces these values: x=1 gives y=1, x=2 gives y=-1, x=-2 gives y=7. Which rule matches the table?
Select all expressions equivalent to 5x + 45.
The sides of a rectangle are (3x + 5) cm and (8x + 4) cm. Which expression represents its area?
4 years from now, Rina’s father’s age will be 2 times Rina’s age. Rina is now 13. How old is her father now?
Solve the proportion: 3/3 = 13/x.
Expand: (x + 2)^2.
Simplify: (m^6)^4.
A line has slope 3 and y-intercept 6. Which equation represents the line?
Find an expression for the nth term of the arithmetic sequence: 0, 6, 12, 18, …
Solve the inequality: -5x – 1 ≤ -31.
Evaluate -6x + y – 7 when x = -3 and y = -3.
Expand and simplify: 5(7x – 1).
A shop charges a fixed delivery fee of 9 taka plus 3 taka for each notebook. If the total cost is 21 taka, how many notebooks were ordered?
Find x if 6x + 15 equals 45.
For the expression 1/(x – 6), which value of x is not allowed?
Which expression represents ‘the sum of a number x and 8, divided by 3’?
A linear rule produces these values: x=3 gives y=-3, x=-1 gives y=1, x=6 gives y=-6. Which rule matches the table?