x+y+2z=8
2x+4y-3z=6
3x+6y-5z=8
SUM of first,third,seventeenth term of the AP is 216.FIND sum of first thirteen terms
34/100
20 + 3 × 3
solution
highest common multiple of 39 , 143 , 156
what is the gradient and intercept of 2y+x=7?
135×2.5
x^2-2.5x+1.68
42*0.4
100+50*2