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

If the length of the radius of the circle is doubled, how does that affect the circumference and area. Explain please.
A friend talks to you as she walks past you at a speed of 2.25 m/s. why do you not notice a Doppler shift in her voice as she passes?
why does chemical weathering occur more quickly in a hot climate
What leads to the development of the theory?
What is a polis? A. a city-state run by kings B. the head of a Greek city's government C. an elected official in the Athenian assembly D. a small state run
If the length of the radius of the circle is doubled, how does that affect the circumference and area. Explain please.
What fluid flows very slowly?
Kedudukan Ir.soekarno dan Drs.Moh.Hatta pada teks proklamasi adalah atas nama??
The odd- and even - number hotel rooms are on different sides of the hall. Room 231 is between witch two rooms
What leads to the development of the theory?