Answer:
-25/12
Step-by-step explanation:
1/2+1/3+1/4+x = -1
6+4+3/12+x = -1
13/12+x=-1
13+12x/12 =-1
13+12x = -12
12x =-12-13
12x = -25
×=-25/12
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Answers & Comments
Answer:
-25/12
Step-by-step explanation:
1/2+1/3+1/4+x = -1
6+4+3/12+x = -1
13/12+x=-1
13+12x/12 =-1
13+12x = -12
12x =-12-13
12x = -25
×=-25/12