3x^3 x 2x^3
(7 1/5 + 4 5/8) ÷ 11/4 + 6 1/4
5/2 - 9/4
179/16
15=5cy solve for y
1/2 x 4/3
formula resolvente
3x + 2y = 2 - x
(3)/(4 )\root(4)(x)+((3)/(2))^(2)=(2)/(3)
-2x + y + 6 = 7 + 2y
