Question

Como resolver às equaçoes 17×-7×=3×+18
5× - 3 × = 2× +9
4x - 10 = 2× +2

Answer 1

17x - 7x = 3x + 18

17x - 7x - 3x = 18

17x - 10x = 18

7x = 18

18/7 ---> X = 2,57...

5x - 3x = 2x + 9

5x - 3x - 2x = 9

2x - 2x = 9

X = 9

4x - 10 = 2x + 2

4x - 2x = 10 + 2

2x = 12

12/2 ---> X = 6