To eliminate x, the coefficients of x's in both equations should be opposite numbers. Since the coefficient of x in the second equation is 3, the coefficient in the first equation should be -3. So she should multiply the first equation by -3.
Answer:
I can't see the picture right, it's backward sorry
Step-by-step explanation:
edit the picture and take a better one
2x -5x
3a + 10a
And -5
Combine and you get:
-3x + 13a - 5
27/6 can be written as 27 divided by 6 to make it easier for you to understand the answer would be 4.5
