Question

resolva as equações a)2. (x+7)=4. (2+8)
b)8. (4x+3)=7+4x
c)2. (4-2)+3+(7+5)=4x
d)8. (5+3)-7. (8-6)=2x
e)6x. (4x+3)=2x. (5+3)

Answer 1

a)2X+14=8+32
2X=14+40
2X=54
X=54/2
X=27
B)32X-16-56-42=2X
34X=-2
X=34/2
X=17
C)8-4-4+8=4X
4X=8
X=4/8
X=2
D)40+24-56-42=2X
2X=34
X=34/2
X=-17
E)24X+18=10X+6
14X=24
X=14/24
X=NAO E EXATA