Melony
Melony
05-06-2015
Mathematics
contestada
PLEASE HELP
Solve.
5x+2/2 = 2x - 1
X = ________ ?
Respuesta :
MichaelTruong
MichaelTruong
05-06-2015
simple algebra:
5x+2/2=2x-1
multiply both sides by 2
5x+2=2(2x-1)
5x+2=4x-2
subtract 4x from both sides
x+2=-2
subtract 2 from both sides
x=-4
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