Question

determine o valor de x nas seguintes figuras​

Answer 1

1)

a)

3x = 36

x = 12

b)

8x = 6 . 12

8x = 72

x = 9

c)

2x² = 9 . 8

x = 3 . 2

x = 6

d)

x² = (3²)²

x = 9

e)

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

3x + 3 = 4x - 1

x = 4

f/c)

2x² = 8 . 9

x = 2 . 3

x = 6

2)

a)

5x = 70

x = 16

b)

8x = 3 . 12

2x = 3 . 3

x = 4,5