7/8, / , 4/5
$\frac{8x+2}{16}$
=-24.3-0.11*x-0.283*y+0.004*x*y
x +x
6,15*x+0,66*y=1642,19
1642,19=6,15*x+0,66*y
2 times x times 2
is 2x²-5=4x²-3x a quadratic equation
5%= 10% x 0.25 x 1/0.5
2^3
