Solve the simultaneous equations: x2 + y2 = 20, 3x=2-y
x = -4/5 or 2
y = 22/5 or -4
IA
Related Maths GCSE answers
All answers ▸3y^2 + 10y + 3
How do I solve simultaneous equations?
Factorise fully y=x^2+x-12 and hence find the roots of the curve
If a student wishes to have a ratio of 2:7 red pens to yellow pens in their pencil case: a) if they have 50 pens total what is the maximum amount they can carry with them b) if they have 18 red and 31 yellow what is the maximum amount they can carry