Question

Me ajuda a resolver x+x+30°+2x+50°=90°

Answer 1

X+x+30+2x+50=90

2x+2x=90-30-50

4x=90-80

4x=10

X=10÷2=5

4 ÷2=2 resultado final :5

2

Answer 2

x+x+30+2x+50=90

4x+80=90

4x=90-80

4x=10

x = 10/4

x = 5/2 ou 2.5