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 ( 63+ )
Otras preguntas
The tires on a bicycle have a diameter of 70 centimeters. About how far does the bicycle travel each time the tires make 10 complete revolutions? A 11 meters O
Identify the six major nutrient groups and describe a strategy of how your food service operation would be able to balance them.
Which of the following is an internal factor?
5 men take 45hours to build a wall.how long will it take 9men working at the same wall?
how does a damaged nervous system impact the circulatory system ?
Find an explicit formula for the arithmetic sequence below. 9, 39/4, 21/2, 45/4, 12, 51/4,...
1. Suppose that asthma affects 1 in 20 children in a population. You take a simple random sample of 300 children from this population.
Z raptor book quiz question answers on AR
Question 7 (1 point) What does the root "photo-" mean in photosynthesis? O plants O light respiration o create
help this is easy middle school question
