SOLUTION: 6*-4/?=-12 -10*?/-2=-10 ?*3/-2=15

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Question 666076: 6*-4/?=-12
-10*?/-2=-10
?*3/-2=15
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

6%2A-4%2Fx=-12
-24=-12x
-24%2F-12=x
2=x
check:
6%2A-4%2F2=-12
-24%2F2=-12
-12=-12...it's true because left side of equation is equal to right side; so, solution 2=x is correct

-10%2Ax%2F-2=-10
-10%2Ax=-10%28-2%29
-10%2Ax=20
x=20%2F-10
x=-2

x%2A3%2F-2=15
x%2A3=15%28-2%29
x%2A3=-30
x=-30%2F3
x=-10