SAT Practice- Algebra and Functions

If 2a + 3b = 12 , and 3b - 4 = 2, then what is the value of a?

Which of the following expressions is equivalent to 12 less than the product of x and y?

For all numbers x, y, and z, let [x][y][z]= x - y + z. what is the value of [1][2][3]?

If 2x=5, 3y=4, and 4z=3, what is the value of 24xyz?

If \sqrt{2x+4}=\sqrt{36}, what is the value of x?

If x + 1 = 7, what is the value of x²+2x+1?

The table above defines several values of the linear function g. What is the value of a?

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

A pool that is being drained contains 300-6t gallons of water after t minutes of draining. How much after 15 minutes?

If x²=4, then which of the following could be the value of x³?

If 3^m-3+3^m-3=18, what is the value of m?

If m is an integer that satisfies the equations above, what is the value of m?

If 3x=13 and 2y=7, what is the value of 3(2x) - 2(3y)?