Question

menos 5x + 45 - 89 = - 90 + 41
$- 5 x + 45 - 89 = - 90 + 41$
$10x - 20 = 40 + 50$
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Answer 1

-5x + 45 - 89 = -90 + 41

-5x = -90 + 41 - 45 + 89

-5x = -135 + 41 + 89

-5x = -94 + 89

-5x = -5

x = -5/-5

x = 1

10x - 20 = 40 + 50

10x = 40 + 50 + 20

10x = 110

x = 110/10

x = 11