r-5=6-12-7

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Solution for r-5=6-12-7 equation:



r-5=6-12-7
We move all terms to the left:
r-5-(6-12-7)=0
We add all the numbers together, and all the variables
r-5-(-13)=0
We add all the numbers together, and all the variables
r+8=0
We move all terms containing r to the left, all other terms to the right
r=-8

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