Question

Решите уравнение:
4,5х-7=(8-12х):3

Answer 1

3*(4,5х-7)=8-12х
13,5х-21=8-12х
13,5х+12х=8+21
25,5х=29
х=29:25,5
х=290/255
х=1 7/11

Answer 2

4,5x - 7 = (8-12x) ÷ 3
4,5x - 7 = 8 ÷ 3 - 12x ÷ 3
4,5x - 7 = $frac{8}{3}$ - 4x
9,5x = $frac{8}{3}$ + 7
9,5x = $2frac{2}{3}$ + 7
$9frac{1}{2}$ x = $9frac{2}{3}$
x = $9frac{2}{3}$ ÷ $9frac{1}{2}$
x = $frac{19}{2}$ ÷ $frac{29}{3}$
x = $frac{19}{2}$ × $frac{29}{3}$
x = $frac{57}{58}$
Ответ: $frac{57}{58}$