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ax + r = 7 for r

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\[\color{blue}{\text{Subtract ax both sides}}\]
\[\large{\color{blue}{ax+r}=\color{red}{7}}\] \[\large{\color{blue}{ax+r}-\color{red}{ax}=\color{red}{7-ax}}\]
Can you tell me what will you get @isolape ?

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Other answers:

uhm. i wish i could honestly. but i have no idea how to do any of this.
what is 3-3 ? @isolape
dosn't make any sense to me.
so what will be : ax - ax ?
yes, so we had : ax - r - ax .. can you simplify it now?
Wait so is that the new equation after we -ax on both sides? ax - r - ax
ax-r-ax = 7 - ax
uhm, do you add ax on both sides now?
Now, ax-ax = 0 ax-ax-r = 7-ax => 0 - r = 7-ax correct?
so we get r = ax - 7
got it?
so thats the answer?
alright, i guess i got it. Thanks!

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