How do you solve #-\frac { 5} { 8} u = - 35#?

1 Answer
Nov 13, 2017

#u=56#

Explanation:

#"multiply both sides by 8"#

#cancel(8)xx-5/cancel(8)u=(8xx-35)#

#rArr-5u=-280#

#"divide both sides by "-5#

#(cancel(-5) u)/cancel(-5)=(-280)/(-5)#

#rArru=56#

#color(blue)"As a check"#

#-5/cancel(8)^1xxcancel(56)^7=-5xx7=-35larr"True"#

#rArrx=56" is the solution"#