1) 3(x-7)+5x 2)5(4-3x)+8x3)(y-4)*2+10y4)(2y+5)*4-11y5) - вопрос №15689750137525438342104254115420536637 от goooooooooj 21.11.2022 04:37

Question

Математика: 1) 3(x-7)+5x 2)5(4-3x)+8x3)(y-4)*2+10y4)(2y+5)*4-11y5) 4x+2(0,5x+3)6)6x-3(x-7).​

goooooooooj · Answer

3(x-7)+5x = 3x-21+5x=8x-215(4-3x)+8x = 20-15x+8x=20-7x(y-4)*2+10y = 2y-8+10y=12y-8(2y+5)*4-11y = 8y+20-11y=-3y+20=20-3y4x+2(0,5x+3) = 4x+x+6=5x+66x-3(x-7) = 6x-3x+21=3x+21=3(x+7)...

1) 3(x-7)+5x 2)5(4-3x)+8x3)(y-4)*2+10y4)(2y+5)*4-11y5) 4x+2(0,5x+3)6)6x-3(x-7).​

1) 3(x-7)+5x 2)5(4-3x)+8x
3)(y-4)2+10y
4)(2y+5)4-11y
5) 4x+2(0,5x+3)
6)6x-3(x-7).