b) 4x-1=2x+9 = 4x-2x=9+1 = 2x=10 = x=10÷2 = x=5
c) 7x-4=5x+6 = 7x-5x=6+4 = 2x=10 = x=10÷2 = x=5
d) a-8/3=-10/3 = a=-10/3+8/3 = a=-2/3
e) 3/4x+2/5=1/4x+7/5 = 3/4x-1/4x=7/5-2/5 = 1/2x=1 = x=2
Explicación paso a paso:
Reescribí la ecuación, juntando los términos semejantes.
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Verified answer
b) 4x-1=2x+9 = 4x-2x=9+1 = 2x=10 = x=10÷2 = x=5
c) 7x-4=5x+6 = 7x-5x=6+4 = 2x=10 = x=10÷2 = x=5
d) a-8/3=-10/3 = a=-10/3+8/3 = a=-2/3
e) 3/4x+2/5=1/4x+7/5 = 3/4x-1/4x=7/5-2/5 = 1/2x=1 = x=2
Explicación paso a paso:
Reescribí la ecuación, juntando los términos semejantes.