How do you solve y+9.4=-12.2y+9.4=12.2?

1 Answer
Dec 10, 2016

y=-21.6y=21.6

Explanation:

Given y+9.4=-12.2y+9.4=12.2, we need to isolate yy to find its value.

Subtract 9.4 from both sides: y\cancel(+9.4)\cancel(\color(red)(-9.4))=-12.2\color(red)(-9.4)
Simplify to y=-12.2-9.4
Combine the subtraction and you get y=-21.6