Question

Substract the expressions:(9x+7)-(x+3)

Answer 1

`\begin{gathered} (9x+7)-(x+3) \\ 9x+7-x-3 \\ (9x-x)+7-3 \\ 8x+4 \end{gathered}`

To solve this we can apply the distributive property to (x+3), then group the similar terms and solve.