Solving Linear Equations

Solve for x: $2x + 3 = 11$.

If the equation $2x + 3 = 11$ represents the number of moles of $NaCl$ in a solution, how many moles of $NaCl$ are in the solution?

What is the solution to the equation $5x - 7 = 3$?

A solution contains $H_{2}O$ and $C_{6}H_{12}O_{6}$ in a ratio of $5:3$. If the total volume is $64$ mL, how much $H_{2}O$ is present?

Find the value of x in $3(x - 2) = 9$.

In a reaction, the amount of $CaCO_{3}$ is represented by $y$ in the equation $3y - 15 = 0$. What is the value of $y$?

Solve for y: $4y + 8 = 0$.

The equation $4x + 2 = 18$ represents the number of grams of $KCl$ in a solution. What is $x$?

If $x$ represents moles of $NH_{3}$ in the equation $5x + 10 = 35$, how many moles of $NH_{3}$ are present?

What is the solution to $x/4 + 3 = 7$?

A student mixes $NaOH$ and $HCl$ in a ratio represented by the equation $2x - 8 = 0$. What is the value of $x$?

Solve for z: $7z + 14 = 0$.

If the volume of $H_{2}$ gas produced in a reaction is given by the equation $3x + 6 = 27$, what is the value of $x$?

What is the solution to the equation $2(x + 5) = 20$?

Solve for x: $x - 4 = 10$.

In a chemical equation, the number of moles of $CO_{2}$ is represented by $y$ in the equation $y/2 - 3 = 0$. What is the value of $y$?

Find x in the equation $8 = 2x - 4$.

If the mass of $MgO$ is represented by $x$ in the equation $x + 5 = 15$, what is the value of $x$?

Solve for x: $3x + 9 = 0$.

A chemist is preparing a solution of $H_{2}SO_{4}$ and finds that the relationship between the concentration $C$ and volume $V$ is given by $C + 2V = 10$. If $C = 4$, what is the value of $V$?