Question

solve each of the following equations and verify the result: 10-3x=40​

Answer 1

$10 - 3x = 40$

$- 3x = 40 - 10$

$- x = \frac{30}{3}$

$- x = 10$

$x = - 10$

Verification:

$10 - 3x = 40$

$10 - 3 \times ( - 10) = 40$

$10 + 30 = 40$

$40 = 40$

Hence, verified.