−12.7 = y − 3.4. What does y equal?

asked Oct 16, 2019 21.2k views

3 votes

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3 votes

−12.7 = y − 3.4
-y = -3.4 + 12 .7
-y = 9.3
y= +9.3
(because our signs change when we change their places to the other side )

Sir Neuman answered Oct 18, 2019

7.9k points

4 votes

y= -9.3
First, you must add 3.4 on both sides of the equal sign.
When you do this you're left with -9.3=y

Apdnu answered Oct 21, 2019

by Apdnu

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