Answer:
the 1 one
Step-by-step explanation:
Answer:
Option C: (5/4)x - 2 = (3/2)x - 4
Step-by-step explanation:
A) (5/2)x + (7/2) = (3/4)x + 14
Multiply through by 4 to get;
10x + 14 = 3x + 56
10x - 3x = 56 - 14
7x = 42
x = 42/7
x = 6
B) (5/4)x - 9 = (3/2)x - 12
Multiply through by 4 to get;
5x - 36 = 6x - 48
6x - 5x = 48 - 36
x = 12
C) (5/4)x - 2 = (3/2)x - 4
Multiply through by 4 to get;
5x - 8 = 6x - 16
6x - 5x = 16 - 8
x = 8
D) (5/2)x - 7 = (3/4)x + 14
Multiply through by 4 to get;
10x - 28 = 3x + 56
10x - 3x = 56 + 28
7x = 84
x = 84/7
x = 12
Answer:
- 48 : 96
- 88 : 176
- 56 : 112
- 24 : 48
- 208 : 416
- 32 : 64
- 40 : 80
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Answer:
a = 1, b = -8
Step-by-step explanation:
you need complete the square to get a and b:
x^2+2x(+1)-7(-1)
by adding and subtracting 1 you aren’t changing the equation because 1-1=0
then u could simplify the equation to
(x+1)^2 - 8 to get a=1 and b=-8