Algebra Basics / Pre-algebra
What is the value of x in the equation 4x + 7 = 31?
x = 6.5
Simplify the expression (3 + 4) * 2 - 5.
10
If 2x + 5 = 17, what is the value of x?
x = 6
Simplify the expression 2(x + 3) + 4.
2x + 7
What is the value of 2^3?
8
Solve for x: 3x - 7 = 8.
x = 6
Simplify the expression 2x + 4 - 3x + 8.
-x + 4
If x = 3, what is the value of x^2?
9
Solve for x: 2(x + 6) - 5 = 3(x - 1) + 4.
x = 5
Simplify the expression 3(x + 2) - 2(x - 1).
5x + 1