Question

Resolva as equacoẽs:a)6x+25=13b)2x+6=x+17c)x/5+3=12d)4*(x+3)=2x-1e)2x/3+1/4=7Para ontem!!!

Answer 1

a)6x+25=13
b)2x+6=x+17
c)x/5+3=12
d)4*(x+3)=2x-1
e)2x/3+1/4=7
RESOLUÇAO
a)6x+25=13
6x=-25+13
x=-12/6
x=-2

b)2x+6=x+17
2x-x=-6+17
x=-11
c)x/5+3=12
x+15=60
x=-45
d)4*(x+3)=2x-1
4x+12=2x-1
4x-2x=-12 -1
2x=-13

e)2x/3+1/4=7
8x+3=84
8x=84-3
x=81/8
x=10,25