8(m+7)=7(m+8)+m

Answer 1

Then

8m + 56 = 7m + 56 + m

8m +56 = 8m + 56

This is an identity, so the solution set is ALL REAL numbers

check... (the equation is SUPPOSED to have exactly one , and only one solution...

For m=0, both sides are 56 (please verify)

for m=1, both sides are 64

All real numbers