Respuesta :

diegomobz

Answer:

x=5

Step-by-step explanation:

so to isolate the x you dived the -3 to both sides

so it will now be

x=5 because a negative times or divided by a negative equals a positive so to prove that x=5

-3(5)=-15

which is true

skinnylegend228
x = 12

-3x = -15
+3 +3
—————
x = 12

negative and a positive = subtract

When the signs are the same add

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