Respuesta:
2.- 7x-3= 3x+9
7x-3x= 9+3
4x=12
x=3
3.- 2(x+4)=7x+2
2x+8= 7x+2
7x-2x= 8+2
5x=10
x=2
Explicación paso a paso:
corona plssss
1)
7x - 3 = 3x + 9
7x - 3x = 3 + 9
4x = 12 ÷ 4
x = 3
2)
2(x + 4) = 7x + 2
2x + 8 = 7x + 2
2x - 7x = 8 + 2
5x = 10
x = 10 ÷ 5
x = 2
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Verified answer
Respuesta:
2.- 7x-3= 3x+9
7x-3x= 9+3
4x=12
x=3
3.- 2(x+4)=7x+2
2x+8= 7x+2
7x-2x= 8+2
5x=10
x=2
Explicación paso a paso:
corona plssss
Explicación paso a paso:
1)
7x - 3 = 3x + 9
7x - 3x = 3 + 9
4x = 12 ÷ 4
x = 3
2)
2(x + 4) = 7x + 2
2x + 8 = 7x + 2
2x - 7x = 8 + 2
5x = 10
x = 10 ÷ 5
x = 2