Question

Determine o valor de x

Answer 1

a) 2x+x = 10+8
3x= 18
X=18/3
X=6


B) x+2+x+8+x = 8
3x+11 = 8
3x= 8-11
3x= -3
X= -3/3
X=-1


C) x= 10+12+8
X=30