Solve for y? 12x - 18y = 9

2 Answers
Feb 1, 2018

#y=2/3x-1/2#

Explanation:

#-18y=-12x+9# ---- Subtract 12x from both sides
#y=-12/-18x+9/-18# ---- Divide -18 from both sides to isolate
y
#y=2/3x-1/2# --- Simplify

Feb 1, 2018

#y=2/3x-1/2#

Explanation:

#"subtract 12x from both sides of the equation"#

#cancel(12x)cancel(-12x)-18y=9-12x#

#rArr-18y=9-12x#

#"divide all terms on both sides by "-18#

#(cancel(-18) y)/cancel(-18)=9/(-18)-12/(-18)x#

#rArry=-1/2+2/3x=2/3x-1/2#