If $42 = 3 (x - 4)$ , what is the value of $x$ ?

4

No worries! We‘ve got your back. Try BYJU‘S free classes today!

10

No worries! We‘ve got your back. Try BYJU‘S free classes today!

18

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

20

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C $18$
Given, $42 = 3 (x - 4)$
$\Rightarrow 42 = 3 x - 3 \times 4$
$\Rightarrow 42 = 3 x - 12$
Add $12$ on both the sides,
$42 + 12 = 3 x - 12 + 12$
$\Rightarrow 3 x = 54$
$\Rightarrow x = \frac{54}{3} = 18$

Suggest Corrections

Similar questions

50 = (3 x - 4)

x

y = 3 x - 4

y = 18

x

3 x + 42

9 x - 18

10^{\frac{x}{2} + 1} ?

x

\frac{20}{(x - 3) (x - 4)} + \frac{10}{x - 4} + 1 > 0

Join BYJU'S Learning Program