Question 1025201
M = A+4
3M = 5A and since we just said that M = A+4, substitute for M:
3(A+4) = 5A
3A+12 = 5A Subtract 12 and 5A on both sides:
-2A = -12 Divide both sides by -2 and remember -/- = +
A = 6 Andrew is 6
M = A+4 = 6+4 = 10 Mike is 10