trinip2010
trinip2010 trinip2010
  • 02-10-2016
  • Mathematics
contestada

how to solve equations
3y-2x=11
y+2x=9




Respuesta :

princegn
princegn princegn
  • 02-10-2016
3y-2x=11
y+2x=9
just plus them
4y = 20
y = 5
put y = 5 in y+2x=9
5 + 2x = 9
2x = 9 - 5
2x = 4
x = 2
thus x = 2
 y = 5
Answer Link
Wexler
Wexler Wexler
  • 02-10-2016
1. y=9 and x=8
2. y=-29 and x=20
Answer Link

Otras preguntas

PWEASE HELP ME!!! UwU
How do you do this problem
A student measures the volume of a substance to be 3.25 mL. Can the student determine the identity of the substance from this measurement? a Yes, because volu
Which of the following is NOT an alternative to bail? O personal recognizance O preventive detention O collateral O third-party custody
Express the following speeds as a function of the speed of light, c: (a) an automobile speed (93 km/h) (b) the speed of sound (329 m/s) (c) the escape velocity
PLS HELP YEAR 8 MATHSSSSSSS
people said there was the ghost. Change into passive​
whats is the answer for 2y-x=5
Which of the following statements regarding the impact of Spanish expeditions north of Mexico is false? A. Spain claimed land as far north as North Dakota and a
What was British view of colonial taxes?