Odpowiedź:
a. -2(5x+2)=3-9x= -10x-4=3-9x= -10x+9x=3+4
x=-7
b. -2-(4-3x)=-7=-6+3x=-7=3x=-7+6=3x=-1
x =
c.
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-10x-4=3-9x
-10x+9x=3+4
-x=7
x=-7
B. -2-(4-3x)=-7
-2-4+3x=-7
-6+3x=-7
3x=-7+6
3x=-1
x= 1/3
C. 3/4 • (2-3x)= -6
2-3x=-8
-3x=-8-2
-3x=-10
x= 10/3
Odpowiedź:
a. -2(5x+2)=3-9x= -10x-4=3-9x= -10x+9x=3+4
x=-7
b. -2-(4-3x)=-7=-6+3x=-7=3x=-7+6=3x=-1
x =
c.