math- pre algebra

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can you help me with this equation and may you please show your work?

-3=3-y

• math- pre algebra -

-3=3-y
You want the unknowns on one side and everything else on the other side. Let's move the 3 on the right side to the left side. We can do that by adding -3 to both sides.
-3+(-3)=3+(-3)-y
Remove the parentheses.
-3-3=3-3-y
Now combine terms.
-6=-y
Now multiply both sides by -1 to get rid of the minus signs (we want to know y, not -y).
-1*-6=-1*-y
6=y or if you prefer
y=6
check my work.

• math- pre algebra -

thnx

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