Question

Ayuuuuudaaaaaaa!!!!!!!!!!!

Answer 1

Explicación paso a paso:

a)2x+5=17

2x=17-5

2x=12

x=12/2

x=6

b)x+4x-1=x+15

5x-x=15+1

4x=16

x=16/4

x=4

c)2(x+2x)-3=21

2x+4x=21+3

6x=24

x=24/6

x=4

d)x+2x+4=7

3x=7-4

3x=3

x=3/3

x=1

e)x(7-2)+11=16

7x-2x=16-11

5x=5

x=5/5

x=1

f)3x+7=19-3x

3x-3x=19+7

x=26

g)8x-3x=35

5x=35

x=35/5

x=7

h)5x²=245

25x=245

x=245/25

x=9,8

i)✓x-1=49

✓x=49+1

✓x=50

x=50²

x=2500

j)³✓x=42

x=42³

x=76004

k)x²:2+6=38-6

x²=32×2

x²=64

x=✓64

x=8

l)x²:6=54

x²=54×6

x²=324

x=✓324

x=18

m)✓x:2=8

✓x=8×2

✓x=16

x=16²

x=256

n)✓x+4=21

✓x=21-4

✓x=17

x=17²

x=289

ñ)✓x=15

x=15²

x=225

o)3x²-2=73

9×=73+2

9x=75

x=75/9

x=8,333...

p)x²-5=116

x²=116+5

x²=121

x=✓121

x=11

q)✓x:3 -4=3

✓x:3 =3+4

✓x:3 =7

x=7×3

x=21

ME DEMORÉ