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Greta Molina
Mathematics
18 February, 22:46
Solve the equation: 5r - 4 (-5r - 7) = - 72
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Kassandra Bernard
18 February, 23:15
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5t - 4 (-5r - 7) = - 72
5r + 20r + 28 = - 72
25r + 28 = - 72 |subtract 28 from both sides
25r = - 100 |divide both sides by 25
r = - 4
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