Barbra729 Barbra729
  • 02-04-2020
  • Mathematics
contestada

Solve: -15b + 21 + 5b =-19

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 02-04-2020

Answer:

b = 4

Step-by-step explanation:

-15b + 21 + 5b =-19

Combine like terms

-15b +5b  +21 = -19

-10b +21 = -19

Subtract 21 from each side

-10b +21 -21 = -19-21

-10b = -40

Divide each side by -10

-10b/-10 = -40/-10

b = 4

Answer Link

Otras preguntas

what does the surface area represent in a cell
what's bigger 60% of 90 or half of 100?
the temperature on mars ranges widely from -207 f to 80 f find the average of the temperature extremes on mars
if x = -3 calculate the value of: x3 + x
why does methane have a low boiling pint?
shanes neighbor pledged 1.25 for every 0.5 miles that shane swims in the charity swim-a-thon.if Shane swims 3 miles,how much money will his neighbor donate?
Prove that 2n + 1 ≤ 2n for n ≥ 3
if 120 marks is 60% what is full marks
Which of the following differs when comparing the deep ocean to the intertidal zone? •need for energy •salinity •the amount of sunlight •reliance on phytoplankt
What phylum has animals with soft bodies, and most of them have shell-like coverings?