D is false.
-1 = -(-1)
When you negate the negative on the left, you get a positive 1, not a negative 1.
Answer:
Step-by-step explanation:
3(x+7)=-36
x+7=-12
x=-19
Answer:
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-9/ 3= -3
-3 + -4 + -2 = -9
the numbers are -2 , -3 , -4
Fractions need common denominator to add or subtract them because without denominators a fraction is not a fraction, it is a whole number
Example - 2/8 is a fraction
but 2 is not a fraction