alexiscelis948 alexiscelis948
  • 01-05-2020
  • Mathematics
contestada

Solve and check 2x-1 + 8 =6

Respuesta :

arcadiajorgren
arcadiajorgren arcadiajorgren
  • 01-05-2020

Answer:

x=-1/2

Step-by-step explanation:

Solving

2x-1+8=6

2x+7=6

2x=6-7

2x=-1

x=-1/2

Checking

put x=-1/2 in equation

LHS 2(-1/2)-1+8

=-1-1+8

=8-2

=6

RHS =6

Answer Link
Аноним Аноним
  • 01-05-2020

Answer: [tex]x=-1/2[/tex]

Simplify both sides of the equation

[tex]2x+-1+8=6[/tex]

[tex](2x)+(-1+8)=6[/tex] (Combine Like Terms)

[tex]2x+7=6[/tex]

Subtract 7 from both sides

[tex]2x+7-7=6-7\\2x=-1[/tex]

Divide both sides by 2

[tex]2x/2=-1/2\\x=-1/2[/tex]

Answer Link

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