Answer:
r=20
Explanation:
-4=
-4+5= ---> 1=
Multiply 20 with 1
20= r
Answer:r=20
Take the negative 5 and add it to the other side of your equation which leaves 1=r/20. Since r is being divided by 20 you multiply 20 to 1 leaving r by itself. If you plug it into the equation -4= 20 divided by 20 minus 5.
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