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B. Directions: Write algebraic equation for each sentence.
1. Thrice a number is eighteen.
2. The sum of twice a number and five is nine. -
3. A number decreased by seven is twenty-eight.
4. Seven times the sum of a number and two is twenty-one.
5. A number divided by seven is equal to two.
pls po kailangan ko po​


Sagot :

Answer:

1)3x=18

2)2x+5=9

3)x-7=28

4)7(x+2)=21

5)x÷7=2

Step-by-step explanation:

pa Brainliest nalang

Answer:

1. 3y = 18

2. 2n + 5 = 9

3. x - 7 = 28

4. 7 (f + 2) = 21

5. h ÷ 7 = 2

hope it helps

pa thanks nalang po at pa rate