Question

Решите уравнение -4|2x+5,6|=-1,6

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Answer 1

$displaystyle tt - 4 |2x + 5.6| = - 1.6 : : : : : | div ( - 4) \ displaystyle tt |2x + 5.6| = 0.4 \ \displaystyle tt 2x + 5.6 = 0.4 \ displaystyle tt 2x = 0.4 - 5.6 \displaystyle tt 2x = - 5.2 \ displaystyle tt x = - 5.2 div 2 \ displaystyle tt bold{x_1 = - 2.6} \ \ displaystyle tt 2x + 5.6 = - 0.4 \ displaystyle tt 2x = - 0.4 - 5.6 \ displaystyle tt 2x = - 6 \displaystyle tt x = - 6 div 2 \ displaystyle tt bold{x_2 = - 3}$