Question

calcule o valor de x nas figuras

Answer 1

6x + 4x = 180
10x= 180
x=180/10
x=18


x/2 + 38+2x/5+70= 180. MMC de 2 e 5 = 10
5x + 380 + 4x +700= 1800
9x=1800-380-700
9x=720
x= 720/9
x=80

Espero ter ajudado