Question

ajuda

resolva as seguintes equações.​

Answer 1

Resposta:

a)x-3=7

x=7+3

x=10

b)x+4=10

x=10-4

x=6

c) x+101=300

x=300-101

x=299

d)x-279=237

x=237+279 

x=516

e)x-8=10

x=10+8

x=18

f) x+9=-1

x= -1 - 9=

x= - 10

g) 3x=12=

x= 12/3=

x= 4

h) 9x=18=

x= 18/9=

x= 2

i)35×=-105

x=-105/35

×=-3

j) 7×-1=13

7×=13+1

7x=14

x=14/7

x=2

k) 6×-10=2×+14

6×-2×=14+10

4x=24

x=24/4

x=6