Решите уравнения:
11х = 36- х
11x+x=36
12x=36
x=36:12
x=3
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9х + 4 = 48 - 2х
9x+2x=48-4
11x=44
x=44:11
x=4
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8 - 4х = 2х - 16
2x+4x=8+16
6x=24
x=24:6
x=4
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0.4 + 3.8 = -0.8 + 2.6
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6.8 - 1.3 х = 0.6х - 2.7
0,6x+1,3x=6,8+2,7
1,9x=9,5
x=9,5:1,9
x=5
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