Which equation does an belong from
15=-5 *-3
4--2=6
2 + -5= - 3
-3*-4=-12

-3*-4=-12

Step-by-step explanation:

All other equations are correct. However, this equation is false, for when you multiply two negative signs, the answer is always positive:

-3 * -4 = 12

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answer: for each 3 girls there is 2 boys . 3: 2

hope this ! (:   mark me as brainliest if you can

x=6 and x=3

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