Question

me ajuda na humildade​

Answer 1

a)

3x + 4 = 10

3x = 10 - 4

3x = 6

X = 6/3

x = 2

b)

5x - 18 = 22

5x = 22 + 18

5x = 40

x = 40/5

x = 8

c)

8x = 27 + 5x

8x - 5x = 27

3x = 27

x = 27/3

x = 9

d)

11x + 18 = 10x + 29

11x - 10x = 29 - 18

x = 11

e)

9x - 21 = 8x + 4

9x - 8x = 4 + 21

x = 25