2/5 * (x - 1 3/5) - 0,75 = 3 1/4 За вопрос 29)

Question

2/5 * (x - 1 3/5) - 0,75 = 3 1/4
За вопрос 29)

Answer 1

2/5*(X-1 3/5)- 0.75 = 3 1/4
0.4*(X-1.6)=3.25+0.75
0.4(X-1.6)=4
X-1.6=4/0.4
X-1.6=10
X=10+1.6
X=11.6