If $3 x = 6 x - 15$ then what is the value of $x + 8$ ?

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Solution

$3 x = 6 x - 15$
$3 x = 15$
$x = 5$
Hence,
$x + 8 = 13$

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Similar questions

- 3 x + 4 y = 20

6 x + 3 y = 15

(x, y)

x

{(3 x + 4)}^{2} + {(3 x - 2)}^{2} = (6 x + 5) (3 x - 2) + 12

\frac{3 x - (8 - 4 x)}{6 x - (2 + 3 x)} = \frac{5}{8}

x

x = m + 1

\frac{1}{3} (6 x - 3) - (8 - 3 x) = 11

Δ = ∣ ∣ ∣ ∣ \begin{matrix} x + 2 & x + 3 & x + 5 x + 4 & x + 6 & x + 9 x + 8 & x + 11 & x + 15 \end{matrix} ∣ ∣ ∣ ∣

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