Verified answer

Explicação passo-a-passo:

a)6x=2x+16

6x-2x=16

4x=16

x=16

4

x=4

b)2x-5=x+1

2x-x=1+5

x=6

c)2x+3=x+4

2x-x=4-3

x=1

d)5x+7=4x+10

5x-4x=10-7

x=3

e)4x-10=2x+2

4x-2x=2+10

2x=12

x=12

2

x=6

f)4x-7=8x-2

4x-8x=-2+7

-4x=5

x=5

-4

g)2x+1=4x-7

2x-4x=-7-1

-2x=-8

x=-8

-2

x=4

h)9x+9+3x=15

12x=15-9

12x=6

x=6

12

i)16x-1=12x+3

16x-12x=3+1

4x=4

x=1

j)3x-2=4x+9

3x-4x=9+2

-x=11

x=11

k)5x-3+x=2x+9

6x-2x=9+3

4x=12

x=12

4

x=3

l)17x-7x=x+18

10x-x=18

9x=18

x=18

9

x=2

m)x+x-4=17-2x+1

2x+2x=18+4

4x=22

x=22

4

n)x+2x+3-5x=4x-9

-2x-4x=-9-3

-6x=-12

x=-12

-6

x=2

0)5x+6x-16=3x+2x-4

11x-3x-2x=-4+16

12x=12

x=1

p)5x+4=3x-2x+4

5x-3x+2x=4-4

4x=0

x=0

4