If 3x + 2 = 7, then 9x + 1 equals () A. 16b. 22c. 28d. Not sure

∵ 3x + 2 = 7, that is, 3x = 5, ∵ 9x + 1 = 3 × 5 + 1 = 16

RELATED INFORMATIONS

1. The quotient of a number divided by 7 is greater than that of 7. Find a number. (use equation solution)
2. The sum of ABC's three numbers is 255. It is known that a divided by B and B divided by C are quotient 5. What are the three numbers a, B and C?
3. Three times of a number divided by 5, quotient 4, remainder 4, find the number. The following equation is correct 1：3X÷5=4······4 2：（3X-4）÷5=4 The key question I want to ask is, if not, why not? There is a senior answer I see, in Baidu Hi inside, but this inside can't see, so sorry
4. Divide 3 times of a number by 5, quotient 4 and remainder 4, and find the number. Let X be the number. What is the correct equation? 3x÷5=4…… four （3x-4）÷5=4 3x÷5-4=4 3x=4×5+4 I think both the second and the last are right, aren't they?
5. What is the product of the quotient of 9 / 14 divided by 4 / 5 multiplied by 8 / 15
6. The quotient of X divided by 3.4 is 0.12
7. The product of 32 / 9 and 3 minus the quotient of 5 / 2 divided by 4,
8. 3 times of x plus 7 equals 56.2, so find X
9. A number plus 40% of it is equal to 7. To find this number, use the equation
10. 5 times a number is 48 times more than the quotient of 40 divided by 5. Find the number
11. One fifth of the number a is equal to one fourth of the number X
12. The sum of 2.8 times of a number and 5 and 1 / 2 is equal to 4 times of 1.9
13. A number minus 32 is equal to 25% of 96?
14. One number minus 40 percent is the 0.96 equation
15. A number minus 40% equals 0.96. Find the number
16. A number plus 50% of it is 75. Find the number
17. A number plus 25% of it equals 6.4. What's the number What's the product of 2.5 minus one fifth and multiplying by eleven thirty-five
18. How much is x minus 25 / 23x equal to 20? How about this equation?
19. Equation: X / 1 * 2 + X / 2 * 3 + X / 3 * 4 + '+ X / 19 * 20 is the solution of 19
20. To solve the equation: when x-3 minus 1 / 8 + 3x = 1, we can get what we get by removing the denominator, removing the bracket, shifting the term, merging the similar term, and transforming the coefficient into one