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 do we use the Pythagoras theorem in "everyday life".
what is glossities and deficiency
What's the other term for: lacking respect; scornful
What is the highest mountain on each continent?
A tree casts a shadow 27 m long. At the same time, the shadow cast by a 66-cm tall statue is 56 cm long. Find the height of the tree to the nearest tenth of a
What's the other word stubborn; inflexible
A solution of hydrogen peroxide, H2O2, is titrated with potassium permanganate, KMnO4, according to the following equation: 5H2O2 + 2KMnO4 + 3H2SO4 = 5O2 + 2MnS
what do I do to figure out this problem:3x+8=26+x
what we need to become success
round to the nearest hundredth 5.6192