Decide whether the given number is a solution of the given equation. Is 15 a solution of m - 10 = 5 ?
Yes or no.

Solve the equation. 10 = a - 14
A = -24
A = 24
A = 4
A = -4

Solve the equation. R + 9 = 19
R = -28
R = 28
R = - 10
R = 10

Multiply. -(3x - 3)
-3x +3
-3x -3
9x
3x - 3

Decide whether the given number is a solution of the given equation. Is 14 a solution of 8c + 2 - 7c = -24 + 12 ?
Yes or no.