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xxMikexx [17]
3 years ago
6

How do i find x? 3(x+2)-3+x+17=40 x should be 5 but i need the steps

Mathematics
1 answer:
alexandr1967 [171]3 years ago
5 0
3(x+2)-3+x+17=40
3x+6-3+x+17=40
4x+20=40
  -20       -20
4x=20
/4    /4
x=5
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Which expressions are equivalent to 1 5 ⋅ 1 5 ⋅ 1 5 ⋅ 1 5 5 1 ​ ⋅ 5 1 ​ ⋅ 5 1 ​ ⋅ 5 1 ​ start fraction, 1, divided by, 5, end fr
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Step-by-step explanation:

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4 0
4 years ago
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Gnom [1K]
The correct equation is 8.7 + b = 54.6
because it is given that measure of side a is 8.7cm, in all other equations the values of a is different.
from the first equation we can find the value of b, that is
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so, value of b is 45.9cm
5 0
3 years ago
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