Best Answer

7n + 3 = -18 (subtract 3 from both sides)

7n + 3 - 3 = -18 - 3

7n = -21 (divide by 7 to both sides)

n = -3

Q: Translate the sum of seven times a number and three is the opposite of eighteen into an equation and solve?

Write your answer...

Submit

Still have questions?

Continue Learning about Math & Arithmetic

If: x+18 = 2x Then: x = 18

32-2x < 18

n (number) minus four ----->n-4

0.3 x = 84

If: 9+x = 3 then x = -6

Related questions

If: x+18 = 2x Then: x = 18

Translate this phrase into an algebraic equation The product of two consecutive multiple of three integers?

15

Call your number any variable, for example x. Then: "A number": x "The opposite of a number": -x "Is": the equal sign. "The opposite of a number is -9": -x = -9

32-2x < 18

n (number) minus four ----->n-4

0.3 x = 84

One hundred forty-one and eighteen thousand, four hundred forty-seven hundred thousandths

If: 9+x = 3 then x = -6

The additive inverse of 18 is -18. The additive inverse of any number is the opposite of that number, such that the sum of the original number and the additive inverse is zero.

n/2 + 3 = 21

Let N = a number N (division sign) 3 + 4 = 11