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Genius
Mathematics
15 April, 01:19
If 5x=45, find the value of 39-4x
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Erin Howell
15 April, 01:33
0
3
Step-by-step explanation:
Divide both sides by 5:
5x = 45 - -> x = 9
Substitute the value for x into the second equation:
39 - 4 (9)
Simplify:
39 - 36 - -> 3
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