College Algebra (11th Edition)

$10$
Distribute the 1/14 through on the left side. Then multiply both sides by 10. $(15/7)x-(10/7)=x+10$ Subtract x from the left side and add (10/7) to the right side. Then multiply by (7/8) on both sides cancel and reduce. $(7/8)(8/7)x=(80/7)(7/8)$ $x=10$