Question

-2x/7+29/7-3x/4=[2x/7+9/7]5

Answer 1

Hey friend here is your answer

-2x/7+29/7-3x/4=[2x/7+9/7]5
-2x/7+29/7-3x/4=10x/35+45/35
-2x/7-3x/4-10x/35=45/35-29/7
-40x-105x-40x/140=45-145/35
-185x/140=100/35
x=100/35×140/185
=2.16

hope it help you ^_^