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QUICKLY HELP! Solve for a. a+(−5)=−12 What is the answer? a. a=−17 b. a=−7 c. a = 7 d. a = 17
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4 votes
QUICKLY HELP!

Solve for a.
a+(−5)=−12
What is the answer?
a. a=−17
b. a=−7
c. a = 7
d. a = 17

User Chansik Im
by
8.5k points

2 Answers

3 votes
a+(-5)=-12 ...positive (+) and negative (-) make a negative (-)
a-5=-12 ...move -5 to the other side using addition
a-5+5=12+5
a=17

The answer is the fourth choice, d. a=17.
User Broshi
by
8.3k points
3 votes

a+(−5)=−12

a−5=−12

a = -12 + 5

a = -7

answer is b. a=−7

User Peixu Zhu
by
7.9k points
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