2 answers:
When you multiply a negative and a positive you will get a negative answer so 3*7 is 21 so -3 * 7 is -21
The answer is -21 because take 3 times 7 which is 21 and sense there's a negative and positive you would make 21 negative.
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Step-by-step explanation:
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Answer: x = 7
Step-by-step explanation:
Subtract both sides by 3
X+3-3 = -4 - 3
X+0 = -7
X=-7
