Expand and simplify 3 (y + 4) - 2 (4y + 1)

3 (y + 4) - 2 (4y + 1)= 3y + 12 - 8y - 2= (3y - 8y) + (12 - 2)= 10 - 5y

RJ

Related Maths GCSE answers

All answers ▸

John has twin sisters. The sum of the ages of John and his twin sisters is 39. In 4 years’ time the twins will be 18. How old will John be in 4 years’ time?


The points (0, -5) and (5, 0) lie on a curve y=x^2 + ax + b. Find the stationary points on the curve.


x : y = 11 : 3 x + y = 140 Find x and y


By factorising, solve the quadratic equation x^2-8x+15=0