Respuesta:
1.-x+5 = 13
x = 13-5
x = 8
2.- 3x+12 = 15
3x = 15-12
3x = 3
x = 3/3
x = 1
3.- 4x-9 = 11
4x = 11+9
4x = 20
x = 20/4
x = 5
4.- 2x+5 = 15
2x = 15-5
2x = 10
x = 10/2
Explicación paso a paso:
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Verified answer
Respuesta:
1.-x+5 = 13
x = 13-5
x = 8
2.- 3x+12 = 15
3x = 15-12
3x = 3
x = 3/3
x = 1
3.- 4x-9 = 11
4x = 11+9
4x = 20
x = 20/4
x = 5
4.- 2x+5 = 15
2x = 15-5
2x = 10
x = 10/2
x = 5
Explicación paso a paso: