3-2x=9
-2x=9-3
-2x=6
x=-3
18x-30=14-14x+4
18x+14x=14+4+30
32x=48
x=3/2
Ответ:
2(1,5-х)=9
3-2х=9
-2х=9-3
-2х=6
х=6÷(-2)
х= -3
6(3х-5)=7(2-2х)+4
18х-30=14-14х+4
18х+14х=14+4+30
32х=48
х=48÷32
х=1,5
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Answers & Comments
3-2x=9
-2x=9-3
-2x=6
x=-3
18x-30=14-14x+4
18x+14x=14+4+30
32x=48
x=3/2
Ответ:
2(1,5-х)=9
3-2х=9
-2х=9-3
-2х=6
х=6÷(-2)
х= -3
6(3х-5)=7(2-2х)+4
18х-30=14-14х+4
18х+14х=14+4+30
32х=48
х=48÷32
х=1,5