Question

Me ajudem!, pfv e pra hj
Obrigada

Answer 1

x=5  cb

x=8/  cb

x=3%8 cb

Answer 2

a)3x+3=180

3x=180-3

3x=177

x=177/3

x=59

b)2x+8+6=180

2x+14=180

2x=180-14

2x=166

x=166/2

x=83

c)3x+3.√3=180

3x+3.1,732050807568877=180

3x+5,196152422706631=180

3x=180-5,196152422706631

3x=174,80384757729337

x=174,80384757729337/3

x=58,267949192431125