#7 is correct it is the first option
The value of x from the given expression is -8
<h3>Addition postulate</h3>
Given the following expressions;
AB = 2x +22
BC= 3
AC = X+17
Using the addition postulate, we will have;
AB + BC = AC
Substitute the given parameters
2x+22+3 = x + 17
Collect the like terms
2x-x = 17 - 25
x = -8
Hence the value of x from the given expression is -8
Learn more on addition postulate here: brainly.com/question/2134445
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F’(x) = d over dx (10-xsq
Answer:
20 painters are painting the inside
Step-by-step explanation:
50 minus 5 equals 45 hope this helped give me brainliest plz