Answer:
1.) a+7=-4
a=-4-7
a=-11
CHECKING:
a+7=-4
-11+7=-4
-4=-4 ✓
2.) B+10=-2
B=-2-10
B=-12
B+10=-2
-12+10=-2
-2=-2 ✓
3.) D+14=-4
D=-4-14
D=-18
D+14=-4
-18+14=-4
4.) j+(-16)=2
j=2+16
j=18
j+(-16)=2
18-16=2
2=2 ✓
5.) H-11=18
H=18+11
H=29
H-11=18
29-11=18
18=18 ✓
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Answers & Comments
Answer:
1.) a+7=-4
a=-4-7
a=-11
CHECKING:
a=-11
a+7=-4
-11+7=-4
-4=-4 ✓
2.) B+10=-2
B=-2-10
B=-12
CHECKING:
B=-12
B+10=-2
-12+10=-2
-2=-2 ✓
3.) D+14=-4
D=-4-14
D=-18
CHECKING:
D=-18
D+14=-4
-18+14=-4
-4=-4 ✓
4.) j+(-16)=2
j=2+16
j=18
CHECKING:
j=18
j+(-16)=2
18-16=2
2=2 ✓
5.) H-11=18
H=18+11
H=29
CHECKING:
H=29
H-11=18
29-11=18
18=18 ✓