sindy56 sindy56
  • 26-09-2018
  • Mathematics
contestada

Help solve these using the addition and multiplication properties of equality

Help solve these using the addition and multiplication properties of equality class=

Respuesta :

cmoreno511 cmoreno511
  • 01-10-2018

#19


-4/5x=8


-4(x)/5=8


-4x/5=8


Multiply both sides by


-4x=8(5)


-4x=40


Divide both sides by -4


X= -10


#21

-4/3x+5=7


Multiply both sides by 3


-4/3x(3)+5(3)=7(3)


-4x+15=21


-4x=21-15


-4x=6


X=6/-4


X=-3/2





Answer Link

Otras preguntas

2(n-3)=4n+1 this sucks not knowing the answer
What is a Mandala Autobiography?
Write this statement as a conditional in if-then form: All triangles have three sides. A) If a figure is a triangle, then all triangles have three sides.B) If a
One-half of a number is -12. Find the solution ???
how do I solve x+2y=8
factoring 12m^2n^2-8mn+1=
among the qualities listed on the human relations scale, the most important one for the building new relationship is?
In Romeo and Juliet act 2, which character serves as a messenger
What is the difference between displacement and double displacement reactions?Write equations for these reactions?
What is the difference between displacement and double displacement reactions?Write equations for these reactions?