Question

solve the linear equation 21-3(x-7)=x+20​

Answer 1

Answer:

x=11

Step-by-step explanation:

21-3(x-7)=x+20

21-3x+21=x+20

42-3x=x+20

-3x-x=20-42

-2x=-22

2x=22

x=22/2

x=11

pls mrk as brainliest