Help plz there two prombles

D. 6m + 21 = -30 -5m

A. No solution

5x+2x=49

7x=49

x=7. 35 apples

answer: bea's uncle is 25 years old.

step-by-step explanation:

given the equation , we can say that the variable "x" represents the age of bea's uncle. then to find his age, we need to solve for "x":

we must add 15 to both sides of the equation:

now we need to divide both sides of the equation by 3:

therefore, we can conclude that bea's uncle is 25 years old.