помогите пожалуйста, это математика я кнопкой ошибся
7x = - 95.4 - 2x
0.3(x - 2) = 0.6 + 0.2(x + 4)
7x = - 95.4 - 2x
0.3(x - 2) = 0.6 + 0.2(x + 4)
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1)7x=-95.4-2x7x+2x=-95.4
9x=-95.4 |:9
x=-10,6
2)0.3(x-2)=0.6+0.2(x+4)
0.3x-0.6=0.6+0.2x+0.8
0.3x-0.6=1.4+0.2x
0.3x-0.2x=1.4+0.6
0.1x=2
x=2/0.1
x=20