0
Wrestlingboy97 ∙
x = 20
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500 - 5x = 100 500 = 100 + 5x 400 = 5x x = 80 Check it. -400 + 500 = 100 It checks.
5x=11y
Angle A = 90 degrees = 5x + 50 So 5x = 40 or x = 8
128
If you mean: 5x/7 -6 = x then x = -21