What is the first step when x is on both sides?

Add or subtract to move every term with x onto one side. Then deal with the number term.

Do I have to show working for a one-mark equation?

For one mark, the answer can be enough. For three marks, the lines are the marks. Write them anyway so the habit exists.

Are equations with brackets Foundation or Higher?

Unknowns on both sides and simple brackets are on both tiers. Heavier algebraic fractions are Higher.

Solving equations GCSE Maths questions

Solving equations GCSE Maths questionsSolving linear equations GCSE Maths questions: one-step, brackets, unknowns on both sides, and fractions. Show the inverse on each line. Marked algebra practice.Start free GCSE Maths test · Pricing