Four more than three times a number is equal to twelve more than its double. Find the number.

Ajay: A linear equation can have many solutions.

Suman: No, every linear equation will have a unique solution.

Whose statement is correct and why?

The following model represents the solution of the equation $2\left(x-1\right)=8$. Find the solution of the equation.

Solve the following equation using the trial and error method.

$5x+2=17$

Solve the following equation using the trial and error method.

$6\mathrm{x}-2=10$

Solve the following equation using the trial and error method.

$11\mathrm{x}-4=29$

Solve the following equation using the trial and error method.

$2=6\mathrm{x}-4$

Solve the following equation using the trial and error method.

$7+8\mathrm{x}=13$