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Earn +20 ptsQ: X over 5 equals 8 over 21 solve for x?
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Continue Learning about Calculus
How do you solve x over 5 equals 3?
x/5 = 3 Multiply both sides by 5 to find the value of x:- x = 15
X squared equals 25 solve for x?
5.
Solve 4x-10 equals 10 what is x?
x=5
How do you solve 12x equals 11x - 5?
12x = 11x - 5, subtract both sides by 11x x = -5
How do you solve this equation -5m plus 12 equals -9?
- 5m + 12 = - 9 subtract 12 from each side - 5m + 12 - 12 = - 9 - 12 - 5m = - 21 divide both sides integers by - 5 (- 5/- 5)m = - 21/- 5 m = 21/5 -----------------------check in original equation = 5(21/5) + 12 = - 9 - 105/5 + 12 = = 9 (now, 12 = 60/5 , so) - 105/5 + 60/5 = - 9 - 45/5 = - 9 - 9 = - 9 ----------------checks
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