Question

resolva as equaçoes,sendo U=Q; a) -4+5=7x-5-6x: b) 23-16=-6x-2x+9x: c)-10x+7-4x+13xx=0

Answer 1

a)1=x-5
1+5=x
6=x

b) 7=-8x+9x
7= x

c)-10x-4x+13x= -7
-x= -7
x= 7