How do you solve #4+ \frac { x } { 3} = - 7#?
1 Answer
Dec 22, 2016
Explanation:
If we multiply ALL terms on both sides of the equation by 3, we ' eliminate' the fraction.
#(3xx4)+(cancel(3)^1xx x/cancel(3)^1)=(3xx-7)#
#rArr12+x=-21larr" no fraction"# subtract 12 from both sides.
#cancel(12)cancel(-12)+x=-21-12#
#rArrx=-33" is the solution"#
