2 years ago

8. What is the solution to l + (-3) = 9? A. 1=6 B. 1 = 12 C. 1 = -12 D. 1=-6

Mathematics

2 answers:

zhenek [66]2 years ago

6 0

Answer:

The answer is B

Step-by-step explanation: Pretty much you first +3 to cancel out the negative 3 also add 3 to 9 which is 12 then to check it -3 + 12 is 9

kozerog [31]2 years ago

3 0

B. 1 = 12

i + (-3) is really just i - 3
i - 3 = 9
add 3 to both sides since the opposite of -3 is +3
you’re left with i = 12

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