Seudónimo
Seudónimo
11-12-2020
Mathematics
contestada
solve for x: 7x + 8 = 3x - 4
Respuesta :
thebarbie2015
thebarbie2015
11-12-2020
7x+8=3x-4
7x-3x+8=-4
—————
4x = -4–8
––––——
4x = -12
————
X= -12%4
—————
X= -3
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