bianca1324
bianca1324 bianca1324
  • 02-11-2016
  • Mathematics
contestada

3(x+7)-12=4(2x-7)

How do you do this?!?!

Respuesta :

MohamedSharif
MohamedSharif MohamedSharif
  • 13-11-2016
3x+21-12=8x-28
collect the like terms
3x-8x=-28(21-12=9)
-5x=-28-9
-5x=-37
x=7.4
Answer Link

Otras preguntas

The density of ice is 0.92 g/cm3. An ice sculptor orders a one cubic meter block of ice. What is the mass of the block? Hint: 1 m3 = 1,000,000 cm3. Give your an
Clarence brought 5 rolls of color film and 4 rolls of black - and - white film for his camera for a total of $24.00. The black - and - white cost $1.50 per roll
The frequency of violet light is 7.5x10 to the 14th power hertz. What is the wavelength?
2*10^30/1.4*10^27 and round it to the nearest tenth
Who was the first person to walk in the moon
Which measurement is not equal to 3 m 30 dm or 300 cm or 3000 mm or 3000 cm
what is the ordered pair solution for;x + 2y = 53x - y = 1
solove. draw and lable a tape diagram to subtract tens. write the new number sentence.a. 23 - 9 = 24 - 10 =
Can someone help me please!!!!!1.Grace and Allie are going to meet at the fountain near their houses.They both leave their houses at the same time. Allie passes
A man exchanged a dollar bill for change and received 7 coins, none of which were half dollars. How many of these coins were dimes?