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natulia [17]
3 years ago
14

Solve for r. -7.61 - 4.3r = -8.1r - 3.81

Mathematics
2 answers:
marysya [2.9K]3 years ago
7 0

Answer:

r = 1

Step-by-step explanation:

-7.61 - 4.3r = -8.1r - 3.81

-7.61 = -3.8r - 3.81

-3.8 = -3.8r

r = 1

Aleonysh [2.5K]3 years ago
6 0

Answer:

r=1

Step-by-step explanation:

-7.61 - 4.3r = -8.1r - 3.81

(bring like terms to one side)

-4.3 r = -8.1r -3.81 + 7.61

-4.3r + 8.1 r =-3.81 + 7.61

(consolodate)

3.8r = 3.8

(divide right by # of r)

r = 3.8/3.8

r = 1

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