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

Otras preguntas

how can I do two cubed
when f(x)=4 what is the value of x?
Page 1 of 5(1 Point)Select the best term to fill in the blank.In the story The Broken Window, some muchachos and muchachas are playing _______en la calle near e
The laughter had disappeared from his face and eyes the moment his laughing voice ceased. His eyes were dark, and they were full of the brooding that gets in th
A brick is thrown upward from the top of a building at an angle of 30° to the horizontal and with an initial speed of 14 m/s. if the brick is in flight for 3.1
Is the process of translating a message received into understandable language or symbols.
What is the area of the figure? Answer in decimal from to the nearest hundredth.
Which type of USB connector is always plugged into the computer to connect an external device?
Find the midpoint of the segment whose endpoints are (6, -10) and (20, 15)
Divide and round to the nearest hundredths place. 4.05 ÷ 0.07