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  • 24-02-2021
  • Mathematics
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Given that 5x - 8y = 33 find x when y = 1

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Аноним Аноним
  • 24-02-2021

Answer:

x = ⁴¹⁄₅ or 8.2

Explanation:

5x - 8y = 33

y = 1

Insert 1 for 'y' in the equation

5x - 8(1) = 33

Remove parenthesis: (a) = a

5x - 8 · 1 = 33

Multiply 8 · 1: 8

5x - 8 = 33

Add 8 to both sides

5x - 8 + 8 = 33 + 8

Simplify

5x = 41

Divide both sides by 5

5x / 5 = 41 / 5

x = ⁴¹⁄₅

Turn the fraction into a decimal

x = 8.2

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