Question

I need help with this page pls help me !!

Answer 1

N 6

we have

`216=(r)/(2)+214`

a ------> subtraction

subtract 214 both sides

`\begin{gathered} 216-214=(r)/(2) \\ 2=(r)/(2) \end{gathered}`

b ------> multiplication

Multiply by 2 both sides

`\begin{gathered} 2\cdot2=2\cdot(r)/(2) \\ r=4 \end{gathered}`

c ------> r=4