Question

porfa es para hoy
18x – 21 =87
4x -2.5 =9.5
1.5x + 8 =12.5
6.5x – 12 =14
8.2x – 16.2 =57.6
2.9x – 16.4 =36.7
1/2x +8 =11
3/4x - 1/4 =23/4
2/5x - 8/10 =18/5

Answer 1

Explicación paso a paso:

1_ 6

2_ 3

3_3

4_4

5_9

6_ 18.3102

7_ 1.5

8_8

9_ 11