Question

X+13=15
X20=25
2X+60=100
2X -10=x+30
X-10=10

Answer 1

Resposta:

x= 2

??

2x=100-60

x=40/2

x=20

2x-x=30+10

x=40

x=20

Answer 2

Resposta:

X=2

X=5

X=20

E) X=20

Explicação passo-a-passo:

2+13=15

5+20=25

2×20+60=100

20-10=10