nehemiahrangel
nehemiahrangel
06-10-2019
Mathematics
contestada
3x+6<15 using algebra tiles
Respuesta :
lizzy8310
lizzy8310
06-10-2019
x = 7
3*x-6-(15)=0
3x - 21 = 3 • (x - 7)
Solve : 3 = 0
Solve : x-7 = 0
Add 7 to both sides of the equation :
x = 7
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