answer this please
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15.:-x-(-11)=7
=x+11=7
=11-7=4
hence x=4
18.:-x/3+6=-12
=x/3=-12-6
=x/3=-18
x=3*18
x=54
21.:- x-(-3)=-3
x+3=-3
x=-3-3
x=-6
24.:-8-n=12
-n=12-8
-n=4
n=-4
hope it helps you
plzzzz mark as brainliest.....
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Answer:
15.x= -4
18. x=18
21. x=-6
24.n=-4
Step-by-step explanation:
15. x-(-11)=7
X+11=7
x= 7-11
x= -4
18. (x+18)/3=12
x+18=12×3
x+18=36
x=36-18
x=18
21. x-(-3)=-3
x+3=-3
x=-3-3
x=-6
24. 8-n=12
-n=12-8
-n=4
-(-n)=-4
n=-4
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