Answer:
10-3=10+(-3)
Step-by-step explanation:
10-3=10+x
7=10+x
7-10=x
x=-3
check:
7=7 (correct)
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Answer:
10-3=10+(-3)
Step-by-step explanation:
10-3=10+x
7=10+x
7-10=x
x=-3
check:
10-3=10+(-3)
7=7 (correct)