tentukan nilai x yang memenuhi persamaan nilai mutlak
a.|x-1|=6
b.|2x-3|=5
c.|5x+1|=|11-2x|
a.|x-1|=6
b.|2x-3|=5
c.|5x+1|=|11-2x|
Penjelasan dengan langkah-langkah:
a. x-1 = 6
x = 6+1
x = 7
b. 2x-3 = 5
2x = 5+3
2x = 8
x = 8/2
x = 4
c. 5x+1 = 11-2x
5x+2x = 11-1
7x = 10
x = 10/7
Jawaban:
A. x-1=6
x = 6+1
x = 7
B. 2x-3=5
2x = 5+3
2x = 8
x = 8/2
x = 4
C.
5x+1= 11-2x
5x+1= -2x + 11
5x+2x=11-1
7x=11-1
7x=10
x=10/7
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