In the linear algebraic equation 3x - 9 = 9, to solve for variable 'x', we need to get 'x' by itself on one side of the equation
We need to remove 9. Here, 9 is having a minus sign. So when we shift 9 on the RHS, its sign will reverse.
We will add 9 to both sides.
We get
We get
We get
Step 2:
Here, 3x means 3 is multiplied with x. So when we shift 3 on the RHS, its sign will reverse.
We will divide by 3 on both sides.
We get
We get
The solution is complete. Solution: For the equation 3x - 9 = 9, the value of x is 6.
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