elizatiszai
elizatiszai elizatiszai
  • 04-09-2018
  • Mathematics
contestada

Solve for x. -1/2 (x+5)=2x -3/2

Respuesta :

Аноним Аноним
  • 04-09-2018

Start from

[tex] -\dfrac{1}{2}(x+5)=2x -\dfrac{3}{2} [/tex]

It may be useful to multiply the whole expression by 2, in order to get rid of denominators:

[tex] -(x+5)=4x -3[/tex]

Distribute the negative sign in the left hand side:

[tex] -x-5=4x -3[/tex]

Move all terms involving x to the left, and all constants to the right:

[tex] -x-4x=-3+5[/tex]

Sum like terms:

[tex] -5x=2[/tex]

DIvide both sides -5:

[tex] x = -\dfrac{2}{5} [/tex]

Answer Link

Otras preguntas

How much do these ikea flower pots cost individually?
Kelly uses her credit card to purchase a new television for $489.25. She can pay off up to $225 per month. The card has an annual rate of 21.7% compounded month
which array represents 4x19?
A packet contains 1.5kg of oats. Every day Maria uses 50g of oats to make porridge. How many day does the packet of oats last?
Restrictions on child labor
A particular plant species is pollinated by a certain insect species. The insect species depends on the plant species for food. Which term describes how this re
What property of metals is reactivity
Which of the following is a complex sentence? A. I would like to visit the Kinshasa, but I understand the city is unsafe for foreigners. B. Check out the
The train station clock runs too fast and gains 7 minutes every 4 days. How many minutes and seconds will it have gained at the end of 10 days
Who was Thomas Jefferson and what was his wife's name?