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What is -19=x-7. ? I don't know how to do this

Sagot :

AL2006idn
There can only be one reason for that . . . making
something tough out of something easy.

-19  =  x - 7

How could you get 'x' all by itself on one side,
and everything else on the other side ?

What if you add  7  to each side ?

Then you have    -12  =  x    .  To your amazement, that's the solution !
-19=x-7
-19+7=x-7+7
-12=x
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