SerenityBlu SerenityBlu

07-02-2017
Mathematics

contestada

I want to know how to solve 5x-3y==23
7x+3y=-11
with elimination

Respuesta :

Arcad3a Arcad3a

07-02-2017

(5x - 3y =23) + (7x +3y = -11) =

12x = 12
x = 1

Substitute
5(1) -3y =23
5 - 3y = 23
-3y = 18
y = -6

x=1 and y=-6

Answer Link

Otras preguntas

2. What is the difference between a scientific theory and scientific law? A scientific theory attempts to explain why natural events occur while scientific law

PLEASE PLEASE PLEASE HELP!!!!!

what expresion is equivalent to 2(14x - 3y + 28x + 12.2 - 5y - 17.5) ? A. 84x - 16y - 10.6 B. 28x - 6y - 10.6 C. 42x - 8y -5.3 D. 84x - 16y - 5.3

Read the excerpt below and answer the question. "My draft physical (which I passed with flying colors, even though I couldn't count my fingers at arm's length w

Explain how thermohaline circulation is influenced by salinity and temperature.

South Africa practiced subjugation. Please select the best answer from the choices provided Т F

How can drinking alcohol affect a person in a negative way????

PLEASE HELP ITS MATH!!!! This triangle has one side that lies on an extended line segment. Based on this triangle, what statement about x is true? A. x = 27 bec

Where is China located geographically?

Simplify: 14 + 8 - 20:5+ 2(4 - 1)