2 answers:
6x-9-2(1-x) = x-9
6x-9-2+2x = x-9 | -x
7x -11 = -9
7x = -9+11
7x = 2
x = 2/7
We need to distribute first before we try to get x on one side.
6x-9-2+2x=x-9
Let's add like terms.
8x-11=x-9
Let's subtract x from both sides.
7x-11=-9
Let's add 11 to both sides.
7x=2
Divide.
2/7=x
So, x=2/7.
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4y=7x
The sum of the numbers is 22
so, x+y=22
x=(22-y)
by substitute (22-y) for x in the first equation.
X^2+8x=10
X^2+8x-10=0
(X^2+8x+16-16)-10=0
(X^2+8x+16)-16-10
(X+4)^2-26
Hope this helps!
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33
Step-by-step explanation:
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choice b maybe?
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i know right
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boting jeese
