Answer:
-175
Explanation:
230 = 55-y
230 - 55=-y
175= - y
y= -175
Just move the numbers to one side and variables to the other
-175 =y
230=55-y
We want to isolate y
Subtract 55 from each side
230-55 = 55-55-y
175 = -y
Multiply each side by -1
-1*175 = -y*-1
8.3m questions
10.9m answers