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

Which situation describes a correlation that is not a causal relationship? (1) Car color and number of car accidents(2) Hours spent studying and test score(3) A
write the equation in function form then graph it 5x-2y=6 thx to the ppl who help
The traits of populations in the forest ecosystem have changed over time. What caused the traits to change?
Which is an example of bivariate data?(1) age of students in a club(2) grade level and age of students in a school(3) type of lunch each student orders at schoo
A radio station transmits waves at a frequency of 120MHz an a speed of 300 million m/s. Calculate the wavelength.
What substance is made during transcription and where does it occur
What substance is made during transcription and where does it occur
What happened to Mohenjo-Daro and Harappa? (They're two ancient cities in ancient India)
how do you write fraction 9/10 as a decimaland how to convert fractions into decimals
determine whether each expression is meaningful as  a real number  yes or no?   -√9