Question

Resultado por favor ajude x+12-7x+13=4x-15x-9+3x

Answer 1

x+12-7x+13=4x-15x-9+3x
-6x+25=-8x-9
-6x+8x=-9-25
2x=-34
x=-34/2
x=-17

Answer 2

Ate que enfim cheguei ao resultado
X+12-7X+13=4X-9+3X
-6X+25=7X-9
-6X-7X= -9-25
-13X=-34

34
X= ___
13

8
X= 2 ___ ,
13


X ~ 2.61538