Question

If the first equation is multiplied by 3 and then the equations are added, the result is _____.

3x + y = 3
x - 3y = -2

a. 10x = 11
b. 10x = 7
c. 8x = 7

Answer 1

The problem is telling you what to do?

Answer 2

Do you know how to use the elimination property?

Answer 3

here is the 1st equation multiplied by 3

9x + 3y = 9
+ x -3y = -2
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just add them for the answer

Answer 4

oh so is the answer 11 a.

Answer 5

so its the first answer

Answer 6

10x=7

Answer 7

thank you! =))

Answer 8

I was wrong, it is 10x = 7