Algebra:
5x + 2= 3x - 6
3(x + 2)= 5(x + 4)
-(10x - 7)= 5(x + 4)
5x+2=3x-6
5x-3x= -6-2
2x=-8/ :2
x= -4
3(x+2)=5(x+4)
3x+6=5x+20
3x-5x= -6+20
-2x=14/ : -2
x=-7
-(10x-7)=5(x+4)
-10x+7=5x+20
-10x-5x=-7+20
-15x=13/ :-15
x= - 13/15
Liczę na naj ;)
a) 5x + 2 = 3x - 6
5x - 3x = -6 - 2
2x = - 8
x = -4
b) 3(x + 2) = 5(x + 4)
3x + 6 = 5x + 20
3x - 5x = 20 - 6
-2x = 14
x = - 7
c) -(10x - 7) = 5(x + 4)
-10x + 7 = 5x + 20
-10x - 5x = 20 - 7
-15x = 13
x = - 13 / 15
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5x+2=3x-6
5x-3x= -6-2
2x=-8/ :2
x= -4
3(x+2)=5(x+4)
3x+6=5x+20
3x-5x= -6+20
-2x=14/ : -2
x=-7
-(10x-7)=5(x+4)
-10x+7=5x+20
-10x-5x=-7+20
-15x=13/ :-15
x= - 13/15
Liczę na naj ;)
a) 5x + 2 = 3x - 6
5x - 3x = -6 - 2
2x = - 8
x = -4
b) 3(x + 2) = 5(x + 4)
3x + 6 = 5x + 20
3x - 5x = 20 - 6
-2x = 14
x = - 7
c) -(10x - 7) = 5(x + 4)
-10x + 7 = 5x + 20
-10x - 5x = 20 - 7
-15x = 13
x = - 13 / 15