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amm1812
3 years ago
13

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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