SAT Algebra Practice

If √(2x + 4) = √36, what is the value of x ? 

Given that x + y = 7 and 2x – y = 5, what are the values of x and y?

If |2x + 7| = 2, what are the possible values of x?

 If |3x – 2| = 12, what are the possible values of x?

If 2x + 3y = z, what is y in terms of x and z?

 Solve 3√a - 7 = 8

Which of the following are values for x if 3x - 1 ≥ 20?

In a certain room, the number of chairs, c, is equal to 3 times thenumber of tables, t.  

The difference of two numbers is 3.  Their sum is 13.  Find the numbers.

If f(x) = 2x – 2, what is f(-3)?

If √x =√a+√b, then which of the following is equivalentto x ?

Factor x² - 2x – 15.

Which of the following are values for x if  -3x + 2 > 17?

What are the solutions of x for the equation x² + 5x – 14 = 0 ?

The sum of two weights is 100 pounds and their difference is 20, what is the smaller weight?

Simplify the expression 5a + 3b – 6a² – 4b + 2a – (-2b)

Ten less than a number, x, is greater than twice the number is:

If 2x + 3y = 4, what is the value of 12x + 18y?

If x + 1 = 23, what is the value of 3x + 3 ? 

Anumber, x , decreased by 13 is less than or equal to 39.