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Answer:
Explanation:
◼ We want to solve this equation:
◼ Simplify the left side:
◼ Divide both sides by 5:
◼ Simplify both sides:
Conclusion:
The solution of the equation the difference of 9d and 4d is -100 is -20.
d = - 20
the difference of 9d and 4d = 9d - 4d
given the difference is - 100 , then
9d - 4d = - 100
5d = - 100 ( divide both sides by 5 )
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