13-11-2020
Mathematics

contestada

what does 9a-2=12+2a

Respuesta :

samuelbido samuelbido

13-11-2020

Answer:

a=2

Step-by-step explanation:

Subtract 2a from both sides.

9a−2−2a=12

Combine 9a and −2a to get 7a.

7a−2=12

Add 2 to both sides.

7a=12+2

Add 12 and 2 to get 14.

7a=14

Divide both sides by 7.

a=[tex]\frac{14}{7}[/tex]

Divide 14 by 7 to get 2.

a=2

Answer Link

Otras preguntas

Solving by completing the square X square+4x-4=0

A car averages 27 miles per gallon. If gas costs $4.04 per gallon, which of the following is closest to how much the gas would cost for this car to travel 2,727

Find the center and radius of x^2+y^2=9

Which of the following characteristics do many island countries in the Pacific Ocean share? A. They are susceptible to freezing temperatures B. They experience

1/2x3+1/4x2 = i need to know please

What decimal is between 1.5 and 1.7

Expand and simplify 2 + (3v + 1) + 10 (v - w)

Which sentence does not contain any errors? A. We will wait to see if their bus shows up first. B. We will wait to see if they're bus shows up first. C. We will

(x^6z^9)(4xyz^9)(-5x^8y^6)

how did president Washington explain his refusal to show the house of representatives the background papers for the jay treaty A. he claimed the constituion did