Question

Translate the sentence into an equation.

Seven times the sum of a number and 3 equals 2.
Use the variable x for the unknown number.

Answer 1

Let the number be x

7(x+3) = 2

so,

7(x+3) = 2

7x + 21 = 2

7x = 2 - 21

7x = -19

x = -19/ 7

x = -2.714 (approximately)