25 POINTS HELPPPP!!! solve question 1, 2, 7, 8 on the picture please
2 answers:
1. x=12 2. y= -5 7. y= -4 8. x= - 3/10
Answer:
1. B) x = 12
2.C) -5
3. A) 4
7. C) -4
8. A) -4x -6 = 16x
9. B) 29x = 0
Step-by-step explanation:
okay, number 7 you have to distribute -3 to 6 to get -18. So you get 4 -(3*2y) - 18 = 10. add 18 to both sides to get 4 -(3*2y) = 28. subtract the 4. -(3*2y) = 24. Rever the negative. (3*2y) = -24. Divid by 3; 2y = -8. And divide by 2; y = -4.
Same with number 8 but keeping the 16x.
4x - 2 (4x + 3) = 16x
4x - 8x + - 6 = 16x
-4x + -6 = 16x
9.
4(3 - 4x) = 12
3 - 4x = 3
-4x = 0
x = 0
Now you know x = 0 so anything multipied
with the x is 0. The answer is B.
I hope this helped :)
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