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2x -4x=-17 +5
-2x=-22\:2
x=11
b)3x+34=-2x-11
3x+2x=11+34
5x=-45\:5
x=9
2x=4x+22 /-4x
-2x=22 /:(-2x)
x=-11
b) 3x+34=-2x-11 /+2x
5x+34=-11 /-34
5x=-44 /:5x
x=-8.8
c).4x-5-7x=2-5x-23 /+5
4x-7x=7-5x-18
-3x=7-11-5x /+5x
-2x=-11 /:(-2x)
x=-2/11
d). 4x-5+2x=4-7x+31
6x-5=43-7x /+7x
13x-5=34 /+5
13x=39 /:13
x=3
e). 3x-15>5x-33 /+15
3x>5x-18 /-5x
-2x>-18 /:(-2)
x<9
f). 5x-7 > (pod spodem znaku > znak /) 8x+11
5x> znak/ 8x+19 /+7
5x> znak/ 8x+19 /-8x
-3x> znak/18 /:(-3x)
x< znak/6,3333...
g). 6x+7-7x>2-4x-17
-x+7>-15-4x /+4x
3x=7>-15 /+7
3x>-8 /:3
x=2.6666...
h) . -4x-11+3x < ( pod spodem znaku < znak \ ) 3-2x-24
x-11< kreska/-21-2x /+2x
3x-11< kreska/-21 /+11
3x< kreska -10
x=-3.3333....
myślę że pomogłam:)