Question

Nas figuras, calcule o valor de x.

Answer 1

A --- 2× + 110=180
2×= 180- 110
2×= 70
×=70/2
×=35

B --- 4× + 10= 90
4× = 90 - 10
4× = 80
× = 80/4
× = 20

C --- × + 40=90
×= 90 - 40
×= 50