Answer :
x - 3 = 9
Its solution will be a number
To solve;
add 3 to both-side of the equation
x - 3 + 3 = 9 + 3
x=12
Hence; x=12 is its solution and 12 is a number
x - 3 = 9
Its solution will be a number
To solve;
add 3 to both-side of the equation
x - 3 + 3 = 9 + 3
x=12
Hence; x=12 is its solution and 12 is a number