Respuesta:
https://brainly.lat/tarea/52935787
Explicación paso a paso:
ayuden con esta
1. x = 5
2. x = 14
3. x = 9
1.
3x + 7 = 2x + 12
3x -2x = 12 - 7
x = 5
2.
5x - 10 = 3x + 18
5x - 3x = 18 + 10
2x = 28
x = 28÷2
x = 14
3.
2x = 6×3
2x = 18
x = 18÷2
x = 9
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Respuesta:
https://brainly.lat/tarea/52935787
Explicación paso a paso:
ayuden con esta
Verified answer
Respuesta:
1. x = 5
2. x = 14
3. x = 9
Explicación paso a paso:
1.
3x + 7 = 2x + 12
3x -2x = 12 - 7
x = 5
2.
5x - 10 = 3x + 18
5x - 3x = 18 + 10
2x = 28
x = 28÷2
x = 14
3.
2x = 6×3
2x = 18
x = 18÷2
x = 9