2x+3=8 4x-2=9 2(x-3)= 4x+5 6x-7(11+2x+2) = -4 (15-x) +3x
1)
2x=5 / :2
x=2.5
2)
4x=11 / :4
x=11/4
3)
2x-6=4x+5
2x-4x=11
-2x=11 /:(-2)
x=-5.5
4)6x-77+14x+14=-60-4x+3x
6x+14x-4x-3x=77-14-60
13x=3 /:13
x=3/13
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1)
2x=5 / :2
x=2.5
2)
4x=11 / :4
x=11/4
3)
2x-6=4x+5
2x-4x=11
-2x=11 /:(-2)
x=-5.5
4)6x-77+14x+14=-60-4x+3x
6x+14x-4x-3x=77-14-60
13x=3 /:13
x=3/13