Ответ:
Пошаговое объяснение:
4(x + 3) = 5(x - 2)
4x + 12 = 5x - 10
5x - 4 x = 12 + 10
x = 22
==============
-2(x - 5) + 3(x - 4) = 4x + 1
-2x + 10 + 3x - 12 = 4x + 1
x - 2 = 4x + 1
4x - x = -2 - 1
3x = -3
x = -1
===========
3(x - 1) = 2(x + 2)
3x - 3 = 2x + 4
3x - 2x = 4 + 3
x = 7
============
3(x - 5) - 2(x + 4) = -5x + 1
3x - 15 - 2x - 8 = -5x + 1
x - 23 = -5x + 1
x + 5x = 1 + 23
6x = 24
x = 24:6
x = 4
================
1) 4(x + 3) = 5(x - 2)
4x - 5x = -12 - 10
-x = -22
Ответ. 22
2) -2(x - 5) + 3(x - 4) = 4x + 1
-2x + 3x - 4x = -10 + 12 + 1
-3x = 3
Ответ. -1
3) 3(x - 1) = 2(x + 2)
3x - 3= 2x + 4
3x - 2x = 3 + 4
Ответ. 7
4) 3(x - 5) - 2(x + 4) = -5x + 1
3x - 2x + 5x = 15 + 8 + 1
Ответ. 4
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Answers & Comments
Ответ:
Пошаговое объяснение:
4(x + 3) = 5(x - 2)
4x + 12 = 5x - 10
5x - 4 x = 12 + 10
x = 22
==============
-2(x - 5) + 3(x - 4) = 4x + 1
-2x + 10 + 3x - 12 = 4x + 1
x - 2 = 4x + 1
4x - x = -2 - 1
3x = -3
x = -1
===========
3(x - 1) = 2(x + 2)
3x - 3 = 2x + 4
3x - 2x = 4 + 3
x = 7
============
3(x - 5) - 2(x + 4) = -5x + 1
3x - 15 - 2x - 8 = -5x + 1
x - 23 = -5x + 1
x + 5x = 1 + 23
6x = 24
x = 24:6
x = 4
================
1) 4(x + 3) = 5(x - 2)
4x + 12 = 5x - 10
4x - 5x = -12 - 10
-x = -22
x = 22
Ответ. 22
2) -2(x - 5) + 3(x - 4) = 4x + 1
-2x + 10 + 3x - 12 = 4x + 1
-2x + 3x - 4x = -10 + 12 + 1
-3x = 3
x = -1
Ответ. -1
3) 3(x - 1) = 2(x + 2)
3x - 3= 2x + 4
3x - 2x = 3 + 4
x = 7
Ответ. 7
4) 3(x - 5) - 2(x + 4) = -5x + 1
3x - 15 - 2x - 8 = -5x + 1
3x - 2x + 5x = 15 + 8 + 1
6x = 24
x = 4
Ответ. 4