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

I need help with this please
Why do you think swift only gradually reveals the real nature of his “proposal” in the essay?
dimentions 1m by 0.6m by 0.3m. density 2.7g/cm3 what is the mass
In 2010, Cameron invested $10,000 in an account that earns 8. 5% interest compounded monthly. How much money would Cameron have gained by 2025?
Can yall help me with this math
Why was the Patriot Act passed in 2001? to end the development of nuclear weapons in North Korea to provide a national response to the 19 pandemic to bring an
The principle hormones produced by the thyroid gland are:.
What is an adaptation? a traits that are less likely to be passed on to offspring b traits that do not change when the environment changes C traits that enhance
5th grade ,. will help This street is built in a zigzag pattern. Tell why this design makes it easier for cars to move up the hill.
Evaluate the extent to which newly independent African countries succeeded in achieving economic independence from the West in the second half of the twentieth