dawsonscripture dawsonscripture
  • 02-10-2020
  • Mathematics
contestada

What does a equal -5(6a+21)=-15

Respuesta :

BunBoiReborn
BunBoiReborn BunBoiReborn
  • 02-10-2020
Step 1 remove paranthesis
(-30a-105)=-15

Step 2: Move constant to RHS (take not negative sign is removed if sides are changed and vice versa)

-30a=-15+105
-30a=90

Step 3: Simplify
-a=3

Step 4: remove negative sign from variable
a=3
Answer Link

Otras preguntas

how does dna (deoxyribonucleic acid) encode information? vhow does dna (deoxyribonucleic acid) encode information? information is encoded in the number of each
An atom of sodium -23 has a net charge of +1 identify the number of protons, neutrons, and electrons in the atom. Then explain how you determine the number of e
y[tex]x^{2}[/tex]=8y I just need helping solving this please
What number should be added to both sides of the equation to complete the sqaure x^2+8x=4
give answerJammu and Kashmir is a small state situated on the northern border of India This state is famous in the world for its natural beauty Srigarh is the c
(x + 1)3 − x (x − 2)2 − 1
Write the English phrase as an algebraic expression. Let the variable X represent the number The sum of 15 divided by a number and that number divided by 15. T
two sets of solid, double, yellow lines that are two or more feet apart: may be crossed to enter or exit a private driveway. may not be crossed for any reason.
What is Roderick’s unusual affliction? What is Madeline’s affliction?
PLEASE HELP !?!????!?