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Find x (2x + 50) (3x - 10°) final answer needs to equal 90°!!!! Please help ??
asked
Mar 11, 2022
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Find x
(2x + 50)
(3x - 10°)
final answer needs to equal 90°!!!! Please help ??
Mathematics
high-school
Eladv
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Eladv
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Answer: x = 10°
(2x + 50) = 70°
(3x - 10) = 20°
Steps:
(2x + 50)° + (3x -10)° = 90°
2x + 50 + 3x - 10 = 90°
5x + 40 = 90°
5x = 50°
x = 10°
(2x + 50)
2(10) + 50
20 + 50
70
(3x - 10)
3(10) - 10
30 - 10
20
Check:
70 + 20 = 90
90 = 90 ✅
Bernie
answered
Mar 15, 2022
by
Bernie
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