Точка A(a;-3) лежит на прямой y=-3/4x+2. Чему равен a?. Created by likalika39. matematika-ru

а = х-3 = уОтвет: а= 6 2/3

4x+2. Чему равен a?...

likalika39 @likalika39

July 2022 1 11 Report

Точка A(a;-3) лежит на прямой y=-3/4x+2. Чему равен a?

Answers & Comments

maymr

а = х

-3 = у

$- 3 = - \frac{3}{4}x + 2 \\ \\ \frac{3}{4} x = 2 + 3 \\ \\ \frac{3}{4}x = 5 \\ \\ x = 5 \div \frac{3}{4} \\ \\ x = 5 \times \frac{4}{3} \\ \\ x = \frac{20}{3} \\ \\ x = 6 \frac{2}{3}$

Ответ: а= 6 2/3

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