freesmokedrizzy
freesmokedrizzy freesmokedrizzy
  • 13-07-2020
  • Mathematics
contestada

PLEASE HELP ASAP!:

Solve for a and b
6a-b=-5
4a-3b = -8

Respuesta :

Space
Space Space
  • 13-07-2020

Answer:

a = -1/2

b = 2

Step-by-step explanation:

Step 1: Rewrite 1st equation

-b = -5 - 6a

b = 5 + 6a

Step 2: Substitution

4a - 3(5 + 6a) = -8

Step 3: Solve

4a - 15 - 18a = -8

-14a - 15 = -8

-14a = 7

a = -1/2

Step 4: Plug in a to find b

6(-1/2) - b = -5

-3 - b = -5

-b = -2

b = 2

Answer Link

Otras preguntas

Nina has exactly enough money to purchase 6 widgets. If the cost of each widget were reduced by $1.25, then Nina would have exactly enough money to purchase 8 w
why is blood considered to be a suspension?
What are the zeros of the polynomial function f(x) = x3 - 10x2 + 24x? I just want to know the name of the process to find the zeros.
Which is true about supporting details? a. Questionable details provide the strongest support for an author’s main idea. b. Irrelevant details are unrelated t
Simplify this expression: cos theta/ tan theta cot theta
Nina has exactly enough money to purchase 6 widgets. If the cost of each widget were reduced by $1.25, then Nina would have exactly enough money to purchase 8 w
For what political and economic reasons did the Italians turn to Mussolini?
Give the values of a, b, and c from the general form of the equation (2x + 1)(x - 2) = 0.
After a military coup in Nigeria, economic problems continued because of _____________
An aquarium holding African cichlids is 4 inches higher than it is wide. Its length is 30 inches, and its volume is 4200 cubic inches. What is the length and wi