Answer :
The first step in determining if 6 is a solution to 3 x = 18 is by substituting 6 for x in the equation. The correct option is A.
What are the 3 steps to solving an equation?
Getting the variable on one side of an equation with a variable on both sides requires first simplifying the equation. To accomplish this, reverse one of the terms' addition or subtraction operations with the variable.
Ways to Solve an Equation in Steps
- Equality's addition property says to multiply both sides by the same amount.
- Subtract the same amount from both sides to demonstrate the equality principle of subtraction.
- Equal numbers on both sides can be multiplied, which is a feature of equality.
By changing x in the equation to 6, we can first check whether 6 is a solution to 3 x = 18.
Thus, the correct option is A.
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