Question

Nas figuras e // f //g , calcule o valor . pfv

Answer 1

e)
x/9 = 4/18
x = 9*4/18
x = 1*4/2
x = 2

e) (5x-2)/(3x+1) = 15/10
50x-20 = 45x-15
5x = 5
x = 1

f) (x-5)/(x+1) = 6/24
24x-120 = 6x+6
18x = 126
x= 7

g)8*(2x-6) = 12*(x+1)
16x-48 = 12x + 12
4x = 60
x = 15