mhagenboo
mhagenboo mhagenboo
  • 02-12-2016
  • Mathematics
contestada

Given the system of equations what is the solution?
x + 3y = 5
x - 3y = -1

Answer choices
-4, -3
2, 1
-2, 3

Respuesta :

Jagr2713
Jagr2713 Jagr2713
  • 02-12-2016
Lets use elimination

So multiply the bottom by "-1" so when we add the x's and y's and 5..-1
X's will be eliminated so we will have

x+3y=5
-x+3y=1

Add

6y=6
y=1

Now plug Y in any other the equations above to get X'

x+3(1)=5
x+3=5
    -3   -3
x=2
So
(2,1)

Answer Link
natalieSc natalieSc
  • 02-12-2016
the answer is 2 and 1 hope that helps. there is a app on android phones called photo math you take a pic and it shows how to solve the problems. it helps me out a lot
Answer Link

Otras preguntas

The function f(x) = x2 - 6x + 9 is shifted 5 units to the right to create g(x). What is g(x)? A. g(x) = (x + 5)2 - 6(x + 5) +9 B. g(x) = (x2 - 6x + 9) + 5 C. g(
What is XY? .........................
can someone help me?
Maria borrowed $120,000 from a bank when she bought her co-op for $156,000. The price dropped $40,000 since she bought it. She now owes the bank $114,000. If sh
Mustard gas stays low to the ground and forces soldiers out of their
A student sets up a box with a flashlight that shines on a mirror located at position X. Other possible locations for objects in the box are labeled A-E. How ca
in a triangle xyz the measure angle yxz is 14.5 and the measure of angle xyz is 75 what is the measure of angle xyz in degrees
ILL MARK BRAINLIEST PLZ HELP ME
Honestly don’t understand how to do this so anyone know the answer?
Pl help it’s for a grade