Question

indique a soluçao de cada uma das equaçoes
A) x+1=9
B)x-2=8
C)x-8=-10
D)x+3=3
E)x+101=300
F)x-279=237
G)17+x=13
H)128+x=900

Answer 1

A)R)

 X=9-1
X=8

B)R)

X=8+2
X=10

C)R)

X=-10+8
X=-2

D)R)

X=3-3
X=0

E)R)

X=300-101
X=199

F)R)

X=237+279
X=516

G)R)

X=13-17
X=-4

H)R)

X=900-128
X=772

Answer 2

a: x+1=9
x= 9-1
x= 8

b: x-2=8
x=8+2
x=10

c: x-8=-10
x=-10+8
x=-2

d:x+3=3
x=3-3
x=0

e: x+101=300
x=300-101
x=199

f: x-279=237
x=237+279
x=516

g: 17+x=13
x=13-17
x=-4

h:128+x=900
x=900-128
x=772
Prontinho!
espero ter ajudado! bons estudos =)