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ladessa [460]
3 years ago
10

use the elimination method to solve the system of equations. choose the correct ordered pair. 3x + 6y = 36 and 3x - 6y = 0

Mathematics
2 answers:
riadik2000 [5.3K]3 years ago
8 0

Answer:

Solution (6 ,3).

Step-by-step explanation:

Given : 3x + 6y = 36 and 3x - 6y = 0

To find : use the elimination method to solve the system of equations.

Solution : We have given

3x + 6y = 36 ------(1)

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

_______________       (On adding both equations)

6x + 0 = 36 .

On dividng both sides by 6

x = 6.

On plug x = 6 in equation 1

3 ( 6) + 6y  = 36.

18 + 6y = 36 .

On subtracting both sides by 18

6y = 36 -  18.

6y = 18

On dividing both sides by 6

y = 3

Solution (6 ,3)

Therefore, Solution (6 ,3).

VladimirAG [237]3 years ago
7 0

3x + 6y = 36

+ 3x - 6y =0

------------------------

6x = 36

x = 36/6

x = 6

3(6) - 6y = 0

18 - 6y = 0

-6y = -18

y = 3

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