Explicación paso a paso:
2. 8 - 4x = 4
8 - 4 = 4x
4 = 4x
4/4 = x
1 = x
3. 5x + 2 = 22
5x = 22 - 2
5x = 20
x = 20/5
x = 4
4. 8 - 2x = - 12
8 + 12 = 2x
20 = 2x
20/2 = x
10 = x
5. 10x - 2 = 2x + 14
10x - 2x = 14 + 2
8x = 16
x = 16/8
x = 2
ESO ES TODO, ESTA FACIL Y SENCILLO
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Explicación paso a paso:
2. 8 - 4x = 4
8 - 4 = 4x
4 = 4x
4/4 = x
1 = x
3. 5x + 2 = 22
5x = 22 - 2
5x = 20
x = 20/5
x = 4
4. 8 - 2x = - 12
8 + 12 = 2x
20 = 2x
20/2 = x
10 = x
5. 10x - 2 = 2x + 14
10x - 2x = 14 + 2
8x = 16
x = 16/8
x = 2
ESO ES TODO, ESTA FACIL Y SENCILLO