5(х-9)=-23=4(х+2)-7=5(х+5)9=5(х+9)7(х-1)=3х
5(х-9)=-2
3=4(х+2)
-7=5(х+5)
9=5(х+9)
7(х-1)=3х
Гость
Ответ(ы) на вопрос:
Гость5(х-9)=-2
5x - 45 = -2
5x = -2 + 45
5x = 43
x = 8,6
3=4(х+2)
3 = 4x +8
3 - 8 =4x
-5 = 4x
x = -1,25
-7=5(х+5)
-7 = 5x + 25
-7 - 25 = 5x
-32 =5x
x = -6,4
9=5(х+9)
9 = 5x +45
9 -45 = 5x
5x = -36
x = -7,2
7(х-1)=3х
7x - 7 = 3x
7x -3x = 7
4x = 7
x = 1,75
Гость5(х-9)=-2
5x - 45 = -2
5x = -2 + 45
5x = 43
x = 8,6
3=4(х+2)
3 = 4x +8
3 - 8 =4x
-5 = 4x
x = -1,25
-7=5(х+5)
-7 = 5x + 25
-7 - 25 = 5x
-32 =5x
x = -6,4
9=5(х+9)
9 = 5x +45
9 -45 = 5x
5x = -36
x = -7,2
7(х-1)=3х
7x - 7 = 3x
7x -3x = 7
4x = 7
x = 1,75
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