Question

please tell the answer and please don't get confused that is x

Answer 1

21-3x+21=x+20

42-20=4x

22/4=x

x=11/2

Answer 2

Hello mate!.....

Given 》

$21 - 3(x - 7) = x + 20 \\ \\ 21 - 3x + 21 = x + 20 \\ \\ - 3x + 42 = x + 20 \\ \\ x + 3x + 20 - 42 = 0 \\ \\ 4x = 22 \\ \\ x = \frac{22}{4} \\ \\ x = \frac{11}{2} \: or \: 5.5$
HOPE IT HELPS U DEAR
⚘⚘⚘⚘