What about simultaneous equations?
They are equations with variables that we have to find. They hold in the same time.
SO
Related Maths GCSE answers
All answers ▸Expand and simplify (2x + 5) (3x - 2)
How do I expand double brackets?
How do I know which rule of trigonometry to apply in a question?
The perimeter of a right-angled triangle is 72 cm. The lengths of its sides are in the ratio 3 : 4 : 5 Work out the area of the triangle.