Question

rezolvati in R ecuatiile

$\frac{5 - x}{3} + \frac{x}{2} = - 7$

$\sqrt{2} \times x + 5 = 5 + 3 \sqrt{3}$
Heeeelp
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Answer 1

Explicație pas cu pas:

(5-x)/3 + x/2 = -7 | • 6

2•(5-x) + 3x = -42

10 - 2x + 3x = - 42

x = - 42 - 10

x = - 52

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√2 • x + 5 = 5 + 3√3

√2 • x = 3√3 + 5 - 5

√2 • x = 3√3

x = 3√3/√2

x = 3• √3 • √2 / √2•√2

x = 3 • √6/√4

x = 3√6/2

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