3x + 7=19 21x=19 Divide both sides by 1 21/1=19/1 =40x Are my correct?
This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.
ScanSolve AI Answer
❌ Incorrect. Let's go through the steps to solve the equation.
The goal is to isolate $x$.
Step 1: Subtract 7 from both sides of the equation to get the term with $x$ by itself.
$$3x + 7 - 7 = 19 - 7$$
$$3x = 12$$
Step 2: Divide both sides by 3 to solve for $x$.
$$\frac{3x}{3} = \frac{12}{3}$$
$$x = 4$$
The correct answer is $\boxed{4}$.
