Ответ:
Объяснение:
{9х+2y = 75
{у = -2,5х
9x +2* (-2,5x) = 75
9x -5x = 75
4x = 75
x = 75/4
x = 18³/₄ = 18,75
y = -2.5*18,75 = - 46,875
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Ответ:
Объяснение:
{9х+2y = 75
{у = -2,5х
9x +2* (-2,5x) = 75
9x -5x = 75
4x = 75
x = 75/4
x = 18³/₄ = 18,75
y = -2.5*18,75 = - 46,875