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

What american led the organization in writing the deccaration?
Two equations are given below:a − 3b = 9a = b − 3what is the solution to the set of equations in the form (a, b.?
El coche va en la calle; el tren va en ____
What do you mean by proform?
Why is Africa important to the speaker in “For My Children”?
What was john Quincy Adams 1839 antislavery proposal?
Michael plots and connects the following points: A(-3,2), B(1,1), C(-3,4) and D(-5,-1). Which best describes the quadrilateral formed? a. Rectangle b. Rhombus
What is the perimeter of the rectangle? A. 16 units B. 18 units C. 20 units D. 34 units
David is preparing to give a presentation titled "i want a pizza the action" for his tenth-grade classmates. which delivery style will david most likely use for
Solve for F: 5/9 (F-32)