Rozwiaz równania:
a)2x+17=26-x
b)11-x=3x+8
c)-7(x+2)+4=-3x
d0-4(½x-2)-4=2(-x+2)
a)2x+x=26-17
3x=9
x=3
b)-x-3x=8-11
-4x=-3
x=3/4
c)-7x-14+4=-3x
-7x+3x=10
-4x=10
x=-10/4=2 1/2
d)-2x+8-4=-2x+4
-2x+2x=4+4-8
0=0
2x+x=26-17
3x=9 /:3
-x-3x=8-11
-4x=-3 /(-4)
-7x-14+4=-3x
-7x+3x=14-4
-4x=10 /:(-4)
x=-10/4=-5/2=-3 1/2
d)0-4(1/2x-2)-4=2(-x+2)
0-1/2x+8-4=-2x+4
-1/2x+2x=4+4-8
1,5x=0 /:1,5
x=0
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a)2x+x=26-17
3x=9
x=3
b)-x-3x=8-11
-4x=-3
x=3/4
c)-7x-14+4=-3x
-7x+3x=10
-4x=10
x=-10/4=2 1/2
d)-2x+8-4=-2x+4
-2x+2x=4+4-8
0=0
a)2x+17=26-x
2x+x=26-17
3x=9 /:3
x=3
b)11-x=3x+8
-x-3x=8-11
-4x=-3 /(-4)
x=3/4
c)-7(x+2)+4=-3x
-7x-14+4=-3x
-7x+3x=14-4
-4x=10 /:(-4)
x=-10/4=-5/2=-3 1/2
d)0-4(1/2x-2)-4=2(-x+2)
0-1/2x+8-4=-2x+4
-1/2x+2x=4+4-8
1,5x=0 /:1,5
x=0