Question

preciso dessa resposta

Answer 1

a)2+x:2=10
2+2x=10
2x=10-2
x=8/2
x=4

b)2x+2/x=10
2x2+2=10
2x2=10-2
X2=8/2
X2=4

C)2x+x-2=10
2x2=10+2
X2=12/2
X2=6

d)2x+x/2=10
4x2=10
X2=10/4
simplificando por 2=5/2