Question

как решить уравнение: (y+(y+12))*4=600

Answer 1

(y+(y+12))*4=600

8y + 48 = 600

8y = 552

y = 69

Answer 2

(y+(y+12))*4=600

4y+4y+48=600

8y+48=600

8y=552

y=69