Question

Me ajudem:

A) 3x+8-x=10

B) 3y-12+y=12

C) x+20=37

D) x-32=18

E) x+15=29

Reposta completa pfvr

Answer 1

a) 3x-x= 10-8
2x=2
x=2/2=1

b) 3y+y=12+12
4y=24
y=24/4= 6

c)x= 37-20
x=17

d)x=18-32
= -14

e)x=29-15
x= 14

Answer 2

A) 3x+8-x=10
3x-x=10-8
2x=2
×=1

B)3y-12+y=12
3y+y=12+12
4y=24
$y = \frac{24}{4}$
y= 6

C)X+20=37
X=37-20
X=17

D)X-32=18
X=18+32
X=50

E) X+15=29
X=29-15
X=14