Question

Ajuda nesta questões Por favor

A) X+2=8

B) X-6=3

C) X+4=-6

D) X-5=-12

E) X+7=13

F) 4X=64

G) 2x/4=7

H) 6X +3 =-9

Answer 1

A) X+2=8
x= 8-2 
x=6

B) X-6=3
x=3+6=9

C) X+4=-6
x=-6+4=-2

D) X-5=-12
x=-12+5=-7

E) X+7=13
x=13-7= 6

F) 4X=64
x= 64/4=16

G) 2x/4=7
2x=7x4
2x=28
x=28/2=14

H) 6X +3 =-9
6x=-9-3
6x=-12
x=-12/6=-2

Answer 2

A) x+2=8
x= 8 -2
x=6

B) x-6=3
x=3 +6
x=9

C) x+4=-6
x= -6 -4
x= -10

D) x-5=-12
x= -12 +5
x= - 7

E) x+7=13
x= 13 -7
x= 6

F) 4x=64
x= $\frac{64}{4}$
x=16

G) $\frac{2x}{4}$=7
2x= 7 .4
2x= 28
x= $\frac{28}{2}$
x=14


H) 6x +3 =-9
6x= -9 -3
6x= -12
x= $\frac{-12}{6}$
x= -2