Seudónimo Seudónimo

12-07-2014
Mathematics

contestada

what value of a makes the equation true? 9a+2=4a-18

Respuesta :

mariamikayla mariamikayla

12-07-2014

[tex]9a+2=4a-18 \\9a-4a= -18-2 \\ 5a= -20 |:5 \\a= -4[/tex]

Answer Link

Аноним Аноним

12-07-2014

[tex]9a+2=4a-18\ \ \ \ /-2\\\\9a=4a-20\ \ \ \ /-4a\\\\5a=-20\ \ \ \ /:5\\\\a=-4[/tex]

Answer Link

Otras preguntas

How can you determine the domain and range of a function?

The following statement is false. Rewrite the statement to make it true. The sequence 8,8,8,8,8, ….is neither arithmetic or geometric.

A local dairy has three machines to fill half-gallon milk cartons. The machines can fill in the dialy quota in 6 hours, 7 hours, and 5.25 hours, respectively. F

There are two numbers. Twice the first number minus the second number equals 18. Twice the second number minus the first number equals 9. Find the numbers

When cool air moves off the ocean and onto dry land, it is called a _____?

it takes 41 min for 9 people to paint 9 walls how long does it take for 14 people paint 14 walls

What is the area of a square window that has a perimeter of 52 feet? 13 104 169 225

What is a gene and what is an allele?

When two dice are rolled, what is the probability the two numbers will have a sum of 8?

Light rays bend as they pass from air into water at an angle (not 90 degrees). this is refraction. air water normal incident ray refracted ray which quantity do