In the linear algebraic equation 2x + 5 = 9, to solve for variable 'x', we need to get 'x' by itself on one side of the equation
We need to remove 5. Here, 5 is having a plus sign. So when we shift 5 on the RHS, its sign will reverse.
We will subtract 5 from both sides.
We get
We get
We get
Step 2:
Here, 2x means 2 is multiplied with x. So when we shift 2 on the RHS, its sign will reverse.
We will divide by 2 on both sides.
We get
We get
The solution is complete. Solution: For the equation 2x + 5 = 9, the value of x is 2.
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