mokerberg
mokerberg mokerberg
  • 02-12-2016
  • Mathematics
contestada

5x+12=-7x solve each system by subsitution

5x127x solve each system by subsitution class=

Respuesta :

doramacias
doramacias doramacias
  • 02-12-2016
on the problem minus 5x to the -7 so you'll just have 12= -12x and the answer is x=-1 
Answer Link
mols
mols mols
  • 02-12-2016
5x+12=-7x
12x+12=0 (+7x)
12x=-12 (-12)
x=-1 (/12)

y=5x+12
y=5(-1)+12
y=-5+12
y=7

Hope this helps:)
Answer Link

Otras preguntas

NEED ANSWER ASAP MARKING BRAINLIEST
Express 1.363636.... in the form p/q, where p and q are integers and q ≠ 0.
Which of the following best describes electrolytes
HELP!!!! WILL MARK BRAINLIEST!!!!!
Which diagram accurately reflects how a historical society influenced the modern U.S government?
A bag has 4 red, 3 purple, 2 pink, and 41 blue marbles. What is the percent chance of reaching into the bag and drawing a pink one?
Percy Jackson lightning thief chapter 7 please help ASAP
Now, write a letter to your constituents about the importance of this amendment and why it should be passed. Remember to make your claim, give at least one reas
The base of the pyramid below is a square, and point E is directly above the center of the square, which is F A. 10.3 in B. 11.4 in C. 16.1 in D. 19.0 in
Which computer component are you most like? Explain why.