Question

9. Determine X
d) 4x - 1 = 3(x-1)
b) 2x + 5 = 27
c) 5x - 3 = 2x-9
a) 6x = 2x + 16​

Answer 1

Resposta:

a) x = 4

b) x = 11

c) x = -2

d) x = -2

Explicação passo-a-passo:

a) 6x = 2x + 16

6x - 2x = 16

4x = 16

x = 16/4

x = 4

b) 2x + 5 = 27

2x = 27 - 5

2x = 22

x = 22/2

x = 11

c) 5x - 3 = 2x - 9

5x - 2x = -9 + 3

3x = -9 + 3

3x = -6

x = -6/3

x = -2

d) 4x - 1 = 3 (x - 1)

4x - 1 = 3x - 3

4x - 3x = -3 + 1

1x = -3 + 1

1x = -2

x = -2/1

x = -2