Question

Решите уравнение:
12 – 2,5 • (3х - 5)=4/5 • (3 - 10х)

Answer 1

12 – 2,5 • (3х - 5)=4/5 • (3 - 10х)
12 - 7.5x - 12.5 = 2.4 - 8x
-7.5x + 8x = 2.4 -12 + 12.5
0.5x = 2.9
X = 2.9÷ 0.5
X= 5.8