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- When $1$ is subtracted from three times a certain number, the result is $11$. Find the number.

- The result of dividing a number by $4$ is $7$. What is the number?

- After subtracting $2$ from a number and then dividing the result by $5$, the result was $3$. Find the number.

- A rectangle has a length of $(x+3)$ cm and a width of $5$ cm. If its area is $45$ cm$^{2}$, the value of $x$ is $\cdots$?

- A car travels a distance of $(5x+10)$ km in $2$ hours. Its speed is $70$ km/h. What is the value of $x$?

- John is $5$ years older than James. The sum of their ages is $27$. What is James' age?

- Two-thirds of a number added to three-fifths of the same number equals $19$. Find the number.

- The base of a triangle is $(x+4)$ cm long, while the triangle's height is $4$ cm. If the area is $28$ cm$^{2}$, $x=\cdots$?

- Three-tenths of a number subtracted from one-fifth of the same number equals $-1$. What is the number?

- When a number was subtracted from $1$, the result was $2$. Find the number.