3 years ago

-25 = -4r + 5 please help

2 answers:

6 0

-25=-4r+5
Subtract 5 to each side
-25-5=-4r+5-5
-30=-4r
Divided -4 to each side
-30/-4=-4r/-4
7.5=r
Check:
-25=-4r+5
Substitute r with 7.5
-25=-4(7.5)+5
-25=-30+5
-25=-25. As a result, r=7.5. Hope it help!

gregori [183]3 years ago

5 0

-4r + 5 = -25
Subtract 5 from both sides.
-4r = -30
Divide both sides by -4.
r = 7.5

I hope this helps!

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