Question

a)x+4x=85 b)x+(x+8)=54

Answer 1

a) x+4x=85 5x=85 x=85/5 x=17

Answer 2

A) 5x = 85 
x = 85/5
x= 17
B) x + x + 8 = 54
2x = 54 - 8
2x = 46
x=46/2
x= 23