Question

K) 5x-5+x=9+x
L) 7x-4-x=-2x+8-3x
Preciso das resoluções =)

Answer 1

5x-5+x=9+x
5x+x-x=9+5
5x=14
x=14/5





7x-4-x=-2x+8-3x
7x+2x+3x-x=8
11x=8
x=8/11