Question

find the difference. (6d+5)-(2-3d)

Answer 1

Key Ideas

• Subtracting algebraic expressions

Solving the Question

$(6d+5)-(2-3d)$

We subtract algebraic expressions exactly as we would integers, or as we would in a 'normal' subtraction sentence. First, we must open up the brackets:

$= 6d+5-2+3d$

Now, combine like terms:

$= 9d+5-2\\= 9d+3$

Answer

9d+3