Question

Determine o valor do X:a)x+3=10b)x-5=25c)2x+14=28d)2x+8=17-x Respondam por favor

Answer 1

Boa noite

a)

x + 3 = 10

x = 10 - 3

x = 7

b)

x - 5 = 25

x = 25 + 5

x = 30

c)

2x + 14 = 28

2x = 28 - 14

x = 14 / 2

x = 7

d)

2x + 8 = 17 - x

2x + x = 17 - 8 

3x = 9

x = 9 / 3

x = 3

Answer 2

Boa noite!!

a) x + 3 = 10

x = 10 - 3
x = 7
.
.
.
b) x - 5 = 25

x = 25 + 5
x = 30
.
.
.
c) 2x + 14 = 28

2x = 28 - 14
2x = 14
x = 14/2
x = 7
.
.
.
d) 2x + 8 = 17 - x

2x + x = 17 - 8
3x = 9
x = 9/3
x = 3