Respuesta:
x = 40
Explicación paso a paso:
4x + 3x = 280
7x = 280
x = [tex]\frac{280}{7}[/tex]
1) 4x + 3x =7x= 280
2) 7x=280, x=280÷7
3)x=40
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Verified answer
Respuesta:
x = 40
Explicación paso a paso:
4x + 3x = 280
7x = 280
x = [tex]\frac{280}{7}[/tex]
x = 40
Explicación paso a paso:
1) 4x + 3x =7x= 280
2) 7x=280, x=280÷7
3)x=40