The solution of the equation $3 x + 7 = - 20$ is

$\frac{17}{7}$

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

$- 9$

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

$\frac{13}{3}$

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

$9$

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

Open in App

Solution

The correct option is B
$- 9$

Explanation:
We have, $3 x + 7 = - 20$
Now shifting the constant term to another side.
$\begin{array}{rcl} 3 x & = & - 20 - 7 \\ 3 x & = & - 27 \\ x & = & \frac{- 27}{3} \\ x & = & - 9 \end{array}$
Hence, the value of $x$ is $- 9$ .

Suggest Corrections

Similar questions

Question 7

The solution of the equation 3x + 7 = - 20 is

(a) $\frac{17}{7}$

(b) -9

(d) $\frac{13}{3}$

Solve each of the following equations and also verify your solution :

$\frac{7}{2} x - \frac{5}{2} x = \frac{20}{3} x + 10$

7 + 3 (x + 5) = 31

Question 28

The solution of the equation 3x +7 = - 20 is ___ .

Question 28

The solution of the equation 3x +7 = - 20 is ___ .

Join BYJU'S Learning Program