2m+5=5(m-7)-3m first, use distributive property... 2m+5=5m-35-3m next, combine like terms on the right side... 2m+5=2m-35 next, subtract 2m from both sides. 2m+5=2m-35 -2m -2m you will get.... 5=-35 in which is not true. This means the equation has no solution.
