SOLUTION: -7+4r=-15 what is the answer with showing work -5x+13=-17 what is the answer with showing work

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Question 178768: -7+4r=-15 what is the answer with showing work

-5x+13=-17 what is the answer with showing work

Found 2 solutions by Mathtut, checkley75:
Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
-7+4r=-15
:
4r=-8.....added 7 to both sides
:
highlight%28r=-2%29divided both sides by 4 to isolate the variable r
:
-5x+13=-17
:
-5x=-30.....subtracted 13 from both sides
:
highlight%28x=6%29divided both sides by -5 to isolate the variable x

Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
7+4r=-15
4r=-15-7
4r=-22
r=-22/4
r=-11/2 ans.
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-5x+13=-17
-5x=-17-13
-5x=-30
x=-30/-5
x=6 ans.