What is 2y+x=-6 and y=-2x+0 using substitution method?

Answers

Answer 1

Answer: 2y + x = -6
y = -2x + 0

We can substitute the second equation into the first one.

2y + x = -6
2(-2x + 0) + x = -6
-4x + x = -6
-3x = -6

Divide -3 on both sides.

x = 2

Now, plug x = 2 into any equation and solve for y.

y = -2x + 0
y = -2(2) + 0
y = -4

The solution to the system of equations is (2,-4).

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What (-3) x 2 equal?

6+(6-2)x6 I DONT GET ITTT

Answers

Answer:

Lets break this down:

6+(6-2)x6=

You do the parenthesis first, as accorded to the order of operations:

6+(4)x6=

To solve this problem, now that we have determined the value in the parenthesis, we can remove its parenthesis and solve left to right.

6+4x6=

10x6=

Therefore, 60 is your answer. Please let me know if this helped. Thanks fellow learner!

What is the measure of an angle that turns through 1/3 of a circle

Answers

Answer: 360 degrees

Step-by-step explanation:

Multiply by 1/3. 360(1/3)=120.

What is the intersection point of 2x+19y=3 and 1x-3=7y

Answers

$2x+19y=3\n19y=-2x+3\ny=-(2)/(19)x+(3)/(19)\n\nx-3=7y\ny=(1)/(7)x-(3)/(7)\n\n-(2)/(19)x+(3)/(19)=(1)/(7)x-(3)/(7)\n-(14)/(133)x+(21)/(133)=(19)/(133)x-(57)/(133)\n(78)/(133)=(33)/(133)x\n(78)/(33)=x\nx=(26)/(11)\n\n((26)/(11))-3=7y\n((26)/(11))-(33)/(11)=7y\n(-7)/(11)=7y\n-11=y$

(26/11, -11)

2x + 19y = 3 ⇒ 2x + 19y = 3 ⇒ 2x + 19y = 3
1x - 3 = 7y    ⇒ 1x -   7y = 3 ⇒ 2x + 14y = 6
      5y = -3
   5     5
   y = -3/5
      2x + 19(-3/5) = 3
   2x - 11 2/5 = 3
      +11 2/5 +11 2/5
   2x = 14 2/5
      2 2
       x = 7 1/5
   (x, y) = (7 1/5, -3/5)

If a statement is true the its negation is A true
B false
C cannot be determined