1.
x = -16
2.
2x + 10x = 4+17
12 x = 21 /:12
x = 1
3.
2x - 12 + 8x - 24 = 4x
2x +8x - 4x = 12+24
6x = 36 /:6
x = 6
4.
+ 3x - 4x - 12 = +2x - 11
3x - 4x - 2x = -11 +12
-3x = 1 /:(-3)
x = -1/3
5.
3(x-4) + 2(2x-8) = 60
3x - 12 + 4x - 16 = 60
7x - 28=60
7x = 60+28
7x = 88 /:7
x = 88/7
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1.
x = -16
2.
2x + 10x = 4+17
12 x = 21 /:12
x = 1
3.
2x - 12 + 8x - 24 = 4x
2x +8x - 4x = 12+24
6x = 36 /:6
x = 6
4.
+ 3x - 4x - 12 = +2x - 11
3x - 4x - 2x = -11 +12
-3x = 1 /:(-3)
x = -1/3
5.
3(x-4) + 2(2x-8) = 60
3x - 12 + 4x - 16 = 60
7x - 28=60
7x = 60+28
7x = 88 /:7
x = 88/7