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hammer [34]
3 years ago
10

Solve and check 5r-10+2r=10+7r

Mathematics
2 answers:
Law Incorporation [45]3 years ago
4 0
Isolate the variable r.
5r-10+2r=10+7r
7r=20+7r.
There is no solution, because if you subtract 7r from both sides the variable will disappear.
Andrews [41]3 years ago
3 0
Solve for variables
5r + 2r = 7r
now we have
7r - 10 = 10 + 7r
subtract -10 on both sides
-10 - 10 = 0
now we have 
7r = 7r
now subtract 7r on both sides
---------------------------------------------------------------------------------------------------------------------
the solution is undefined


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\textsf{\qquad\qquad\huge\underline{{\sf Answer}}}

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