kayla2945
23.10.2020 •
Mathematics
The solution to 9(x + 2) = 5 - 2(x - 1) is
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Ответ:
x = -1
Step-by-step explanation:
9(x + 2) = 5 - 2(x - 1)
9x + 18 = 5 -2x + 2
9x + 18 = -2x + 7
Add 2x and 9x. Subtract 18 from 7.
11x = -11
x = -1
Please mark me the brainliest!?!
Ответ:
If x is 2 we plug in 2 instead of x
The equation becomes y= 3(2) + 1
now you just solve
y= 6+1
y=7