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Mathematics
3 August, 04:16
Solve the equations 3+9 (1-5r) = 25
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Katelynn Parrish
3 August, 04:22
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Rearrange ➡ 3 + 9 * (1 - 5r) - (25)
Step 1. Equation ⬇
(3+9 * (1 - 5r)) : - 25 = 0
Step 2. Take out the like terms (factors) ⬇
-45r - 13 = - 1 * (45 + 13)
Equation part 2 ➡ - 45 - 13 = 0
Add 13 to both sides of the equation ➡ - 45=13
Multiply both sides of the equation by (-1) : 45r = - 13
divide both sides of the equation by 45
r = - 0.289
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