Question

equação de 1° grau: ;-;
a)x-3=7
b)x+4=10
c)x+101=300
d)x-279=237
e)x-8=-10
f)x+9=-1
g)3x=12
h)9x=18
i)35x-105
j)7x-1=18
k)6x-10=2x+14​

Answer 1

Explicação passo-a-passo:

a) x-3=7

×=7+3

×=10

b)×+101=300

×=300-101

×=199

c)×-279=237

×=237+279

×=516

d)×-8=-10

×=-10+8

x=-2

e)×+9=-1

×=-1-9

-10

f)9×=18

x=18/9

×=2

g)35×=-105

x=-105/35

×=-3

h)7×-1=13

7×=13+1

7x=14

x=14/7

x=2

i)6×=2×+28

6×-2×=28

4×=28

x=28/4

x=7

j)6×-10=2×+14

6×-2×=14+10

4x=24

x=24/4

x=6