Is $x=\frac{1}{4}$x=14 a solution of $x+\frac{2}{3}=\frac{11}{12}$x+23=1112?

Yes

No

Is $x=\frac{7}{12}$x=712 a solution of $x-\frac{4}{9}=\frac{17}{36}$x−49=1736?

Consider the relationship between the number of pink triangles $\left(p\right)$(p) and the number of columns $n$n.

A racing car starts the race with $120$120 litres of fuel. From there, it uses fuel at a rate of $3$3 litres per minute.