Blondzixxalauraviz
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prosze o pomoc!
rozwiąż równanie.

f) -x +5 = -2
g) - x - 8 = -3
h) -x - 2 = -11
i) -5x + 3 = -12
j) -3x + 5 = 17
k) -2x - 7 = 11
l) -6x - 3 = -15

Odpowiedź :

AstraySpirit2308viz

f)

[tex]-x+5=-2\\\\-x=-2-5\\\\-x=-7 \ \ |:(-1)\\\\\boxed{x=7}[/tex]

g)

[tex]-x-8=-3\\\\-x=-3+8\\\\-x=5 \ \ |:(-1)\\\\\boxed{x=-5}[/tex]

h)

[tex]-x-2=-11\\\\-x=-11+2\\\\-x=-9 \ \ |:(-1)\\\\\boxed{x=9}[/tex]

i)

[tex]-5x+3=-12\\\\-5x=-12-3\\\\-5x=-15 \ \ |:(-5)\\\\\boxed{x=3}[/tex]

j)

[tex]-3x+5=17\\\\-3x=17-5\\\\-3x=12 \ \ |:(-3)\\\\\boxed{x=-4}[/tex]

k)

[tex]-2x-7=11\\\\-2x=11+7\\\\-2x=18 \ \ |:(-2)\\\\\boxed{x=-9}[/tex]

l)

[tex]-6x-3=-15\\\\-6x=-15+3\\\\-6x=-12 \ \ |:(-6)\\\\\boxed{x=2}[/tex]
f) -x + 5 = -2
-x = -7 /: (-1)
x = 7

g) -x - 8 = -3
-x = 5 /: (-1)
x = -5

h) -x - 2 = -11
-x = -9 /: (-1)
x = 9

i) -5x + 3 = -12
-5x = -15 /: (-5)
x = 3

j) -3x + 5 = 17
-3x = 12 /: (-3)
x = -4

k) -2x - 7 = 11
-2x = 18 /: (-2)
x = -9

l) -6x - 3 = -15
-6x = -12 /: (-6)
x = 2

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