If x=m+1 and 13(6x−3)−(8−3x)=11; find the value of m.
If 3m−5m=−1 and 2m=n−3 find the value of (3m+5n) and (m+2n).
If 3m - 5m = -1 and 2m = n-3, find the value of (3m+5n) and (m+2n).