Question

me ajudem por favor rapido​

Answer 1

a) 75+2x+x = 180

75+3x = 180

3x = 180-75

3x = 105

x = 35

b) 45+90+x = 180

x = 180-135

x = 45

c) x+x+x = 180

3x = 180

x = 60

d) x+x+1+x+2 = 180

3x+3 = 180

3x = 177

x = 59