Find x: x=45(x+10)
The correct option is D. 40
Given equation, x=45(x+10)
Multiply both side by 5 we get,
⇒5x=5×45(x+10)
⇒5x=4(x+10)
⇒5x=4x+40
⇒5x−4x=40
Identify the modal class: