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3 years ago

15

Eight times the result of subtracting 3 from a number is equal to the number increased by 25. What is the number?

2 answers:

OlgaM077 [116]3 years ago

3 0

8(x-3) = x + 25
8x -24 = x + 25
7x = 49
x = 7

DedPeter [7]3 years ago

3 0

X= the numbers
8(x-3)=x+25
distribute
8x-24=x+25
minus x both sides
7x-24=25
add 24 both sides
7x=49
divide both sides by 7
x=7

the numbers is 7

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