Question

Решите уравнение. а) 0,71x – 13 = 10 – 0,29x; б) 8c + 0,73 = 4,61 – 8c; в) 48 = 11 – (9a + 2); г) 13 – (5x + 11) = 6x.

Answer 1

0.71х-13=10-0.29х
0.71х+0.29х=10+13
1х=23
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0.71*23-13=10-0.29*23
3.33=3.33