Seudónimo Seudónimo
  • 12-07-2014
  • Mathematics
contestada

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

Respuesta :

mariamikayla
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

1. Which is an equation in point-slope form for the given point and slope? Point: (–3, 7); Slope: 4 (Points : 1) y – 7 = 4(x – 3) y – 7 = 4(x + 3) y + 7
Is (5,-4) a solution to the linear inequality 2x - 3y is less than or equal to 7
( this is sum by gcf ) 15+81= __ (__+__)? what is the gcf of 15 and 81
Show two ways to buy 276 markers
Find the missing angle of an octagon if the others are 125, 132, 148, 124, 122, 106 and 100 degrees
Pyruvic acid enters the fermention cycle from what process
What does each fruit symbolize in Esperanza rising?
-10 is both rational number and integer
What is the gravitational force acting on a 70.0 kg object standing on the earth's surface ?
did the south want tariffs to protect its industry? true or false