2 years ago

What is 2r - 6r 8 = 40?

2 answers:

3 0

Well first you have to add common like terms in this case 2r and -6r to get -4r now your equation is -4r+8=40, now subtract 8 from both sides to leave r by itself and get -4r=32, now divide both sides by -4 to get r=-8

Hope this helps

Artist 52 [7]2 years ago

3 0

2r( 1 - 3×8) = 40
2r (1 - 24) = 40
2r(-23)=40
-46r=40
r = -40/46
r. = - 0.86

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