Hey there!
4m = 68
DIVIDE 4 to BOTH SIDES
4m/4 = 68/4
CANCEL out: 4/4 because it gives you 1
KEEP: 68/4 because it help solve for the m-value
NEW EQUATION: m = 68/4
SIMPLIFY IT!
m = 17
Therefore, your answer is: m = 17
Good luck on your assignment & enjoy your day!
~Amphitrite1040:)