jjennifernwaka jjennifernwaka
  • 23-09-2020
  • Mathematics
contestada

7a+3=4a-18 what is the a

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 23-09-2020

Answer:

a = -7

Step-by-step explanation:

7a+3=4a-18

Subtract 4a from each side

7a-4a+3=4a-4a-18

3a +3 = -18

Subtract 3 from each side

3a +3-3 = -18-3

3a= -21

Divide each side by 3

3a/3 = -21/3

a = -7

Answer Link

Otras preguntas

[tex]5x + 2y = 36 \\ 2x + 3y = 43[/tex]how can I solve this??​
Use the table of values to find the function's values. Ja) Ifx 0, then f0) = If fe) = 27, then x= -3 33 -2 17 0 -15 2 27​
Please help! 20 points!!
describe how to approximate the value of an irrational number ???can someone help me with that ill mark u as brainlist​
M is the midpoint of AR. AM = 2x+3 and MR = 68-3x. What is the value of x?
Britain’s primary reason for passing the Proclamation of 1763 was to pay off its war debts. prevent conflicts with American Indians. defeat the French and their
Which terminating decimal is equivalent to the fraction 5/8?
How were the pilgrims treated in England during 1620 ?
Which equations have the same value of x as Three-fifths (30 x minus 15) = 72? Select three options.
Help and be thorough please): How can we work together to raise awareness of the privileges we have or lack?