In the linear algebraic equation 3 + 5x = 18, to solve for variable 'x', we need to get 'x' by itself on one side of the equation
We need to remove 3. Here, 3 is having a plus sign. So when we shift 3 on the RHS, its sign will reverse.
We will subtract 3 from both sides.
We get
We get
We get
Step 2:
Here, 5x means 5 is multiplied with x. So when we shift 5 on the RHS, its sign will reverse.
We will divide by 5 on both sides.
We get
We get
The solution is complete. Solution: For the equation 3 + 5x = 18, the value of x is 3.
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