Question

23. Find 'x' if 5- X3 = 21.​

Answer 1

Answer:

Here's your answer

$5 - 3x = 12 \\ \\ - 3x = 12 - 5 \\ \\ - 3x = 7 \\ \\ x = \frac{ - 7}{3}$

Answer 2

Answer:

X3=21-5

=15

X=15÷3

X=5

this is the answer for your question