3 years ago

What’s the answer to 6x + 3y =

Mathematics

2 answers:

yaroslaw [1]3 years ago

5 0

The correct answer is 12

Alex73 [517]3 years ago

4 0

Answer:

The last answer; 12.

Step-by-step explanation:

In order to solve this, use substitution. Since it gives you an equation for y, substitute that equation in the other formula as y. This will give you:

$6x+3(-2x+4)=?$

Then simplify:

$6x-6x+12=?$

Since 6x - 6x cancels out, you are left with 12.

$?=12\\$

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