SuarezMelissa4 SuarezMelissa4
  • 22-09-2016
  • Mathematics
contestada

7x+2y=11
-2x+3y=29
How do you solve this problem?

Respuesta :

WaveyBunnie
WaveyBunnie WaveyBunnie
  • 22-09-2016
you subsitute 11-2y/7  when you do that you get -2 11-2y/7 +3y=29: y=9  isolate y   -2 11-2y/ +3y=29 y=9 
 x= 11-2 . 9/7 x= -1 
 Y=9 X=-1
Answer Link
Carlos2323 Carlos2323
  • 22-09-2016
X=1 y=2 for the first one
Answer Link

Otras preguntas

Sherita’s club is selling grapefruit to raise money. For every box they sell, they get $1.35 profit. They have sold 84 boxes already. How many more boxes must t
#21 is already done but 22 is so confusing Help please!
I don't understand this at all please help me
If the area of a rectangle is 16 then the length is 4 and the width is 4 what is the counterexample
Divers in a competition are scored by an international panel of judges. The highest and the lowest scores are dropped. The total of the remaining scores is mult
Given that ∠A and ∠B are supplementary, Daisy conjectured that ∠A≅∠B . Which statement is a counterexample to Daisy's conjecture? A.) m∠A=45° and m∠B=45° B.) m∠
which question cannot be answered scientifically because the quantity cannot actually be measured
What are the two parts of an atom?
Average of 15,25,35,45,0
Simlplify the expression 52^-5 then write it as a repeated multiplication