lejoedixon lejoedixon
  • 02-02-2020
  • Mathematics
contestada

5x+2y=43 ; -6x+3y=-30

Respuesta :

meredith48034
meredith48034 meredith48034
  • 02-02-2020

Answer:

-3(5x+2y=43)

2(-6x +3=-30)

-15x-6y=-129

-12x+6y=-60

-27x=-189

x=7

5(7)+2y=43

35+2y=43

2y=8

y=4

(7,4)

Answer Link

Otras preguntas

PLS HELP I WILL GIVE YOU BRAINLIEST CHAPTER II—THE SHE-WOLF, an excerptFrom White FangBy Jack LondonBreakfast eaten and the slim camp-outfit lashed to the sled,
Use mathematical induction to prove that if a ∈ ℝ and r≠1then a+ar^1+ar^2+...+ar^(n+1)=a(r^n+1)/(r-1).
What are two strategies the speaker uses to develop the point that voluntour opportunities often do more harm than good?A) Expert testimonyB) Fictional storiesC
Lows need help pls n thanks
Ammonium phosphate ((NH), PO) is an important ingredient in many fertilizers. It can be made by reacting phosphoric acid (TI,PO.) with ammonia (NH) What mass of
Cynthia finds a spreadsheet on her desk. It has rows and columns of numbers, such as 37, 28, 91, and 12, but Cynthia is not sure what the numbers mean. Which te
Finding in a rational number between which given pair of numbers supports the idea that a rational numbers are dense in real numbers
how do you devide -648:9206​
help me please if you
Question 1. True or False? Because of how they had been treated, the Puritans practiced tolerance toward people of other religious beliefs./question 2. Which d