Question

Решите уравнение

1) -1,2x+7.2=0
2) -1/3x-6=0 (1/3-дробь)

Answer 1

$1) - 1.2x + 7.2 = 0 \\ \\ - 1.2x = 0 - 7.2 \\ \\ - 1.2x = - 7.2 \\ \\ x = - 7.2 \div( - 1.2) \\ \\ x = 6$

$2) - \frac{1}{3} x - 6 = 0 \\ \\ - \frac{1}{3} x = 0 + 6 \\ \\ - \frac{1}{3} x = 6 \\ \\ x = 6 \div ( - \frac{1}{3} ) \\ \\ x = -18$