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

A solid rectangular metal box of length 8 inches, width 2 inches, and depth 4 inches is melted down. All of the liquid metal is used to cast a cube. What is the
can someone answer this question for me in the bible of genesis and give me the section of genesis please I need help really fast please. 86 point. please 1 to
given that x>0, which expression is equivalent to 5 sqrt xy + 25 sqrt x
a rectangular solid has sides of 7cm, 9cm, and 11 cm. what is the surface area?
Why did Sacajawea choose to leave her Shoshoni people?
What value of x makes this equation true? x 3 − 3 = x 9 + 3 A) 3 B) −9 C) −1 D) 27
Use the drop-down menu to complete the sentence. Muslims believe that God's messages to Muhammad were written down in the The drop down menu answers are Sun
PLZ HURRY IT'S URGENT!!!!!!!! What is the solution to the equation? 6 + 2s – 8s = 18 A. s = –4 B. s = –2 C. s = 2 D. s = 4
What is manifest destiny
Pls hurry!!! Hey student rate and term paper on the similarities and differences between Greek democracy during the classical era and US democracy doing the mod