sbonanno217 sbonanno217

12-10-2020
Mathematics

contestada

1. what is the x of "5x - 4 = 3x + 8"
2. what is the x of "-4x + 7 = -7x - 8"
3. what is the x of "6x + 7 = -4x - 4

Respuesta :

mickiemiller2020 mickiemiller2020

12-10-2020

Answer:

1. x= -2 2. x= -5 3. x= -11/10

Step-by-step explanation:

1. 5x-3x -4+4=3x-3x+8+4 2x/2=-4/2 x=-2

2. -4x+7x +7-7=-7x+7x-8-7 3x/3=-15/3 x=-5

3. 6x+4x+7-7=-4x+4x-4-7 10x/10=-11/10 x=-11/10

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