Identify Equation: Identify the equation to solve. We are given the equation 2x + 1 = 3 and we need to find the value of x.Isolate Variable Term: Isolate the variable term on one side. To isolate the variable term, we need to subtract 1 from both sides of the equation. 2x + 1 - 1 = 3 - 1Perform Subtraction: Perform the subtraction to simplify the equation. 2x = 2Divide to Solve: Divide both sides of the equation by the coefficient of x to solve for x. 2x / 2 = 2 / 2Calculate Value: Calculate the value of x. x = 1

Grade 7

Add and subtract fractions

Full solution

2x + 1 = 3

. Find

x

Identify Equation: Identify the equation to solve. $\newline$ We are given the equation $2x + 1 = 3$ and we need to find the value of $x$ .
Isolate Variable Term: Isolate the variable term on one side. $\newline$ To isolate the variable term, we need to subtract $1$ from both sides of the equation. $\newline$ $2x + 1 - 1 = 3 - 1$
Perform Subtraction: Perform the subtraction to simplify the equation. $2x = 2$
Divide to Solve: Divide both sides of the equation by the coefficient of $x$ to solve for $x$ . $\frac{2x}{2} = \frac{2}{2}$
Calculate Value: Calculate the value of $x$ . $x = 1$