dawsonscripture
dawsonscripture
02-10-2020
Mathematics
contestada
What does a equal -5(6a+21)=-15
Respuesta :
izzyhermioneeh
izzyhermioneeh
02-10-2020
Step 1 : Simplify both sides
-5(6a+21)=-15
(-5)(6a)+(-5)(21)=-15
-30a-105=-15
Step 2 : Add 105 to both sides
-30a-105+105=-15+105
-30a=90
Step 3 : Divide both sides by -30
-30a=90
—————
-30 -30
a = -3
Answer Link
VER TODAS LAS RESPUESTAS ( 96+ )
Otras preguntas
how are factors related to prime numbers
what is the ratio to feet on a measuring tape
Exit Which of the following is NOT an element of nationalism? A. a common history and culture B. a strong sense of patriotism C. a common language D. an openne
Which sentence contains italicized words that are used as an infinitive phrase? A. Jane parked her car behind a truck. B. Mark wanted to go, but not today. C. K
jame has 1240 songs on his mp3 player and 40% of the songs are rock songs . how many of the songs are not rock songs?
Pressure is defined as A. time per area. B. velocity per time. C. force per time. D. force per area. E. distance per time.
what is the percent of change from 10 yards to 13 yards
how do you know if a fraction is equal to one?
The coin box of a vending machine contains $6.20 in dimes and quarters. There are 32 coins in all. How many of each kind are there?
what are four types of precipitation?
