Question 906025
.75/14+x/14+x/18=1
.75/14+9x/126+7x/126=1
.75/14+16x/126=1
8x/63=14/14-.75/14
8x/63=13.25/14
14*8x=63*13.25
112x=834.75
x=834.75/112 
or
x = 7.45313