Question

[(–3)×2]+[(–3)×7]=(–3)×(2+________)​

Answer 1

SoluTion:-

Let,

The Required number be x

→ [(-3)×2]+[(-3)×7] = (-3)×(2+x)

→ -6+(-21) = -6-3x

→ -27+6 = -3x

→ -21 = -3x

→ 3x = 21

→ x = 21/3

☞ x = 7

The Required number is 7.

➝ [(-3)×2]+[(-3)×7] = (-3)×(2+7)

$\Large{✓}$

Hope It Helps You ✌️

Answer 2

Answer:

  [(-3)×2]+[(-3)×7] = (-3)×(2+_)

= (-6)+(-21)           = (-3)×(2+7)  

= -27                    = (-3)×9

                           = 27