l0s3r85
l0s3r85 l0s3r85
  • 20-04-2022
  • Mathematics
contestada

Use substitution to solve the system.
- 3x+y = 14
2x + 3y = -2
음
Х
5
?
y = 0

Respuesta :

preshores
preshores preshores
  • 26-04-2022

Answer:

x= -4 and y=2

Step-by-step explanation:

-3x+y=14 ...eqn 1

2x+3y= -2....eqn 2

from eqn 1

-3x+y=14

y=14+3x

substitute y=14+3x into eqn 2

2x+3(14+3x) = -2

2x+ 42+ 9x = -2

11x= -2-42

11x= -44

x = -4

substitute X = -4 into eqn 1 to get y

-3x+y=14

-3(-4) +y =14

12+y= 14

y= 14-12

y =2

Answer Link

Otras preguntas

Some of the force required to peddle a bicycle is used to overcome the of the moving parts
In comparison of 1.0 mole of carbon dioxide (CO2) gas to 1.0 mole of ammonia (NH3) gas? A) the number of molecules is the same, and the number of atoms is the s
What country is most responsible for global climate change? Why?
How did the townshend acts affect many colonists
Evaluate  3(6a)when a=3 substitute and solve(A.) 54(B.) -54(C.) 50 (D.) 40​
what is the area of this circle ( express your answer by using pi) A. A=3 pi m² B. A=6 pi m² C. A=9 pi m² D. A=36 pi m²
Violet obtained a 25 year fixed rate mortgage for $176,900 on a home that cost her $194,300. If the interest rate in the mortgage is 4.82%, how much are violet’
How did the treaty of Versailles affect global events after World War I? A. It required Germany to pay crippling reparations for the war. B. It forged stronger
Complete and balance the following equation: NO2−(aq)+Cr2O72−(aq)→Cr3+(aq)+NO3−(aq)(acidic solution) Express your answer as a net chemical equation including ph
Evaluate -2x 2 y, if x = -3 and y = -1. -12 -18 18 12