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8x + 15 = 7 so 8x = 7 - 15: x = -1

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15y ago

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Related Questions

Eight less than three times a number is greater than fifteen in number form?

3x-8>15


What's 813 7?

Eight-hundred and thirteen times seven equals fifteen thousand, six hundred and ninety-one.


How do you write algebraic expression seven less than a number?

The real answer is n-7


Which of the following best describes the algebraic expression 15x plus 8?

The sum of fifteen times a number and eight.


How can you change seven times eight to make it a true number sentence?

Include the result of of the multiplication to produce the sentence, "Seven times eight equals fifty six."


What is eight times a number plus seven?

We'll use "n" to represent "number." First, "eight times a number" means the number is multiplied by eight. 8n Then, seven is added to 8n. 8n + 7 Also, you can display it like this if it helps: (8 x n) + 7


Fifteen more than the square of a number is eight times the number?

I don't know if you want this translated or solved. x^2+15=8x


What is Forty eight decreased by a number is the same as the difference of four times the number and seven?

Eleven


How is eight tenths times fifteen twelve?

To calculate eight tenths times fifteen twelve, first convert the fractions: eight tenths is ( \frac{8}{10} ) or ( \frac{4}{5} ), and fifteen twelve is ( \frac{15}{12} ). Multiply the two fractions: [ \frac{4}{5} \times \frac{15}{12} = \frac{4 \times 15}{5 \times 12} = \frac{60}{60} = 1. ] Thus, eight tenths times fifteen twelve equals 1.


What is seven times a number added to the sum of a number and eight?

N = the number It's [ 7N + (N+8) ]


Is fifteen a factor of one-hundred and five?

Yes; fifteen times seven is one hundred and five.


What is The sum of eight times a number and 1 is equal to seven times the number.?

Let the number be x and so if 8x +1 = 7x then x = -1