Question

Encontre o valor da incógnita:
3x+x=40
2x+x=12
X+x=10
4x+x=25
5x-x=16
6x-x=20

Hellp​

Answer 1

Explicação passo-a-passo:

a) 3x + x = 40

4x = 40

x = 40/4

x = 10

b) 2x × x = 12

3x = 12

x = 12/3

× = 4

c) x + x = 1o

2x = 10

x = 10/2

× =

d) 4x + x = 25

5x = 25

x = 25/5

× = 5

e) 5x - x = 16

4x = 16/4

× = 4

f) 6x - x = 20

5x = 20

x = 20/5

x = 4