rownania i nierownosci ::
\frac{1}{3} * (-6x+9)-4 = -5(x+1)
i spr. tez proszeee
1/3 * (-6x+9)-4=-5(x+1)
-2x+3-4=-5x-5
3x=-4
x=-4/3
Sprawdzenie:
{ x = -4/3
{ 1/3 * (-6(-4/3)+9)-4=-5((-4/3)+1)
{ x=-4/3
{ 1/3*(8+9)-4=-5(-1/3)
{ 17/3 - 12/3 = 5/3
{ 5/3 = 5/3
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1/3 * (-6x+9)-4=-5(x+1)
-2x+3-4=-5x-5
3x=-4
x=-4/3
Sprawdzenie:
{ x = -4/3
{ 1/3 * (-6(-4/3)+9)-4=-5((-4/3)+1)
{ x=-4/3
{ 1/3*(8+9)-4=-5(-1/3)
{ x=-4/3
{ 17/3 - 12/3 = 5/3
{ x=-4/3
{ 5/3 = 5/3