4 years ago

What is the first step in solving, 3x - 12y=5 3y -x=9, using the elimination method

1 answer:

3 0

3x-12y = 5
-x+3y = 9

First step is to make the coefficient of either x or y same.

3x-12y = 5
(-x+3y = 9)3

3x-12y = 5
-3x+9y = 27

-4y = 32
y = -8

You might be interested in

Lera25 [3.4K]

Answer:

the answer is 25 degrees

7 0

3 years ago

likoan [24]

hope this will help u.....

5 0

3 years ago

lesantik [10]

Please help as soon as possible

8 0

3 years ago

Agata [3.3K]

Since 3 < pi < 4,
√9 < pi √16 

In fact, since pi^2 = 9.86, 

√9 < pi < √10.

Which means the you can find pi between square roots √9 and √10.

3 0

3 years ago

ELEN [110]

Answer:

Easiest and fastest way is to graph both equations into a graphing calc and trace the graph to where they intersect.

Alternatively, you can use substitution to solve for your answer.

Step-by-step explanation:

8 0

3 years ago