7.9 * 2 - 1.5x = 5.3

7.9 * 2 - 1.5x = 5.3


7.9 * 2 - 1.5x = 5.3
15.8 - 1.5X = 5.3
15.8 - 5.3 = 1.5X
1.5X = 10.5
X = 7



7.4 (x - 5) - 6.5x = 44 어떻게 풀 어


7.4 (x - 5) - 6.5x = 44
7.4x - 37 - 6.5x = 44
0.9x = 81
x = 90



7.4 (x - 5) - 6.5x = 44 를 어떻게 풀 어?


7.4 (x - 5) - 6.5x = 44
7.4x - 37 - 6.5x = 44
7.4x - 6.5x = 44 + 37
0.9x = 81
x = 81 이 0.9
x = 90