Question

2x-9 = -1

8x-5 =19

7=12 +5x



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Answer 1

Explicación paso a paso:

2x - 9 = -1

2x = -1 + 9

2x = 8

x = 4

8x - 5 = 19

8x = 19 + 5

8x = 24

x = 3

7 = 12 + 5x

-5x = 12 - 7

-5x = 5

x = -1

Besitos OvO