Question

3(x+4)=21 solve them​

Answer 1

Step-by-step explanation:

$3(x + 4) = 21$

$3x + 12 = 21$

$3x = 21 - 12$

$3x = 9$

$x = \frac{9}{3}$

$x = 3$

HOPE IT HELPS...

Answer 2

Answer:

3

Step-by-step explanation:

3(x+4)=21

(3x)+(3×4)=21

3x+12=21

3x=21-12

3x=9

x=9/3

=3