dawsonscripture dawsonscripture
  • 02-10-2020
  • Mathematics
contestada

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

Respuesta :

izzyhermioneeh
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

Otras preguntas

I don’t know how to do this
Find a gradient of a line that is parallel and perpendicular to this line with this gradient of 3 1/3
How many Mondays would there be in 171 school days?
What is the purpose of imagery in poetry?
A sailboat is traveling to the right when a gust of wind causes the boat to accelerate leftward at 2.5​​​​m​​/s2 for 4s. After the wind stops, the sailboat is t
7 x 4 x ?? =2,800 and 7 x 4 x ?? =28,000
Question 1 options: 1. Juan compra helado para mi. Juan ______ compra helado. 2. Mis hermanas y yo ______ gusta pizza. 3. El hombre ____ gustan papas fritas. 4
Original cost of a sled: $99.50 ; markup by 33%
20 POINTS PLEASE HELP! Write a paragraph that agrees or disagrees with this statement: The Chinese philosophy of Legalism argued that strict laws and severe pu
Solve the literal equation |ax+b|=c for x.