Make x the subject of the formula y = x/3 -2a
y =x/3 - 2a
y + 2a = x/3
3y+6a = x
EC
Related Maths GCSE answers
All answers ▸solve this simultaneous equation: 2x + 3y = 19 (Eq1) and 3x + y = 11 (Eq2)
How to solve simultaneous equations?
10 girls and 15 boys sit a test. The mean mark for the boys is 70. The mean mark for girls is 82. Work out the mean mark for the whole class.
Solve y = x^2 + 3x + 2 = 0