lisa896980 lisa896980
  • 25-02-2021
  • Mathematics
contestada

Solve by canceling

-5x+8y=-4
6x-8y=-12

Respuesta :

Calculus456 Calculus456
  • 25-02-2021

Step-by-step explanation:

-5x+8y=-4

6x-8y=-12   8y and 8x cancel out

         x=-16

To solve for y, substitute x=-16 back into the first equation

-5(-16)+8y=-4

    80+8y=-4

          8y=-84

            y=-10.5

Answer Link

Otras preguntas

Simplify x^5 •x^2 • x
Which is the BEST example of leadership? A. accepting things as they are B. guiding a group toward a goal C. doing research as part of a project D. making s
Help me I’m confused
Find the volume (m^3) of the rectangular prism. 5 m 10 m 4 m​
Help i need it What is the product?
can anyone make me a arguementive research writing? It has been an ongoing argument on whether or not student athletes should be paid. Some say they are being t
If f(x)=3x+5/x, what is f(a + 2)? a. 3a + 5/a + 2 b. 3(f(a)) + 5/f(a)+2 c. 3(a+2) + 5/a+2
PLEASE HELP IM STUCK
23. You A. would marry me if I were younger. B. would married C. will marry D. will marr​
In Chapter 4 of The Scarlet Letter, which best describes Roger Chillingworth’s goal in knowing the identity of the father of Hester’s child? to reveal the fathe