How do you solve #\frac { x } { 3} - 14= - 21#?

1 Answer
Nov 3, 2016

#x=-21#

Explanation:

To eliminate the fraction, multiply all terms on both sides of the equation by 3.

#cancel(3)^1xxx/cancel(3)^1-(3xx14)=(3xx-21)#

#rArrx-42=-63#

add 42 to both sides.

#xcancel(-42)cancel(+42)=-63+42#

#rArrx=-21" is the solution"#