What is the simplified form of the expression 3x + 4x?
If a = 5, what is the value of the expression 2a + 3?
Which expression means ‘5 more than twice a number x’?
If b = 4, what is the value of the expression b^2 + 2b?
Simplifying 4a - 2b + 3a + 5b leads to what expression?
What is the equivalent expression for 3(m + 4) - 2m?