3x-5=x+7
3x-x=7+5
2x=12
x=6
x-20
=6-20
=-14
Semoga bermanfaat
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Verified answer
Penyelesaian
3x-5=x+7
3x-x=7+5
2x=12
x=6
x-20
=6-20
=-14
Semoga bermanfaat