The value of | 7x - 18 | = 10 is _____
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Answer:
4 or 8/7
Step-by-step explanation:
in case of positive;
7x-18=10
7x-18-10=0
7x-28=0
x=28/7=4
in case of nevative;
-|7x-18|=10
-7x+18-10=0
-7x+8=0
-7x=-8
-x=-8/7
x=8/7
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