Question

Indique a solução de cada uma das equações
X+1=9
X-2=8
X-8=-10
X+3=3
X+101=300
X-279=237
17+X=13
128+X=900
5=X+3
72=48+X
7=10+X
15=X+20
0=X+18
-7=X+50
Me Ajudem Ai Rs

Answer 1

8,10,-2,0,199,n sei, -4,7 72,2,28,-4,-5,0,n sei.

Answer 2

x+1=9
x=9+1
x=10

x-8=-10
x=-10+8
x=-2

x+3=3
x=3-3
x= 0

x+101=300
x=300-101
x=199

x-279=237
x=237+279
x=516

17+x=13
x=13-17
x=-4

128+x=900
x=900-128
x=772

5=x+3
x=3-5
x=-2

72=45+x
x=45-72
x= -27

7=10+x
x=10-7
x=3

15=x+20
x=20-15
x=5

0=x+18
x=18-0
x=18

-7=x+50
x=50+7
x=57