Asked by anonymous
absolute values
solve for "x"
2|5x-5|+4=20
solve for "x"
2|5x-5|+4=20
Answers
Answered by
Henry
2|5x-5| + 4 = 20
2|5x-5| = 20-4 = 16
|5x-5| = 8
5x-5 = 8
5x = 13
X = 13/5
-(5x-5) = 8
-5x + 5 = 8
-5x = 3
X = -3/5
2|5x-5| = 20-4 = 16
|5x-5| = 8
5x-5 = 8
5x = 13
X = 13/5
-(5x-5) = 8
-5x + 5 = 8
-5x = 3
X = -3/5
Answered by
Jai
2|5x - 5| + 4 = 20
There are two cases here, where the absolute value term is + or -
Case 1:
10x - 10 + 4 = 20
10x - 6 = 20
10x = 26
x = 2.6
Case 2:
-10x + 10 + 4 = 20
-10x + 14 = 20
-10x = 6
x = -0.6
There are two cases here, where the absolute value term is + or -
Case 1:
10x - 10 + 4 = 20
10x - 6 = 20
10x = 26
x = 2.6
Case 2:
-10x + 10 + 4 = 20
-10x + 14 = 20
-10x = 6
x = -0.6
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