Can You Solve And Check Each Equation? Use The Domain Of Rational Numbers. X-7=10

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Oddman Profile
Oddman answered
The check is, of course, 17 - 7 = 10.
Anonymous Profile
Anonymous answered
X-7  =10
 +7   +7
x=17
thanked the writer.
Oddman
Oddman commented
Without some sort of explanation that you are trying to show addition of 7 to both sides of the equation, the notation is rather obscure and confusing. Some of us who have seen this before might understand it, but a Baby Blurter asking this sort of question might not.
Anonymous Profile
Anonymous answered
Is 17/7 a rational number
Anonymous Profile
Anonymous answered
X - 7 = 10 is easy.  Just add 7 to each side and you've solved for X. 

thanked the writer.
Oddman
Oddman commented
The only real number valid for x in this equation is 17, rational or otherwise.
Anonymous Profile
Anonymous answered
What is the range of y=-x+3 if the domain is{-2,0,2,4} a {3} b {-1,1,3,5} c 1,3,5 d {1,3,5,7}

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