ROZWIAZ RÓWNANIA:
5x-2(x+3)=9,
4(2x+3)-%x=(-3),
2(x+1)+5x=16,
-4x-3(2x+1)=7
5 x - 2*( x + 3) = 9
5 x - 2 x - 6 = 9
3 x = 15 / : 3
x = 5
====
4*( 2x + 3) - 5 x = - 3
8 x + 12 - 5 x = - 3
3 x = - 3 - 12
3 x = - 15 / : 3
x = - 5
=====
2*( x + 1) + 5 x = 16
2 x + 2 + 5 x = 16
7 x = 16 - 2
7 x = 14 / : 7
x = 2
- 4 x - 3*( 2 x + 1) = 7
- 4 x - 6 x - 3 = 7
- 10 x = 7 + 3
- 10 x = 10 / : ( -10)
x = - 1
5x-2x-6=9 8x+12-0,01x= (-3) 2x+2+5x=16 -4x-6x-3=7
3x=9+6 8x- 0,01x= -3-12 7x=16-2 -10x=10/:(-10)
3x=15/:3 7,99x=-15/:7,99 7x=14/:7 x=-1
x=5 x= w zaokrągleniu 1,9 x=2
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5 x - 2*( x + 3) = 9
5 x - 2 x - 6 = 9
3 x = 15 / : 3
x = 5
====
4*( 2x + 3) - 5 x = - 3
8 x + 12 - 5 x = - 3
3 x = - 3 - 12
3 x = - 15 / : 3
x = - 5
=====
2*( x + 1) + 5 x = 16
2 x + 2 + 5 x = 16
7 x = 16 - 2
7 x = 14 / : 7
x = 2
=====
- 4 x - 3*( 2 x + 1) = 7
- 4 x - 6 x - 3 = 7
- 10 x = 7 + 3
- 10 x = 10 / : ( -10)
x = - 1
=====
5x-2x-6=9 8x+12-0,01x= (-3) 2x+2+5x=16 -4x-6x-3=7
3x=9+6 8x- 0,01x= -3-12 7x=16-2 -10x=10/:(-10)
3x=15/:3 7,99x=-15/:7,99 7x=14/:7 x=-1
x=5 x= w zaokrągleniu 1,9 x=2