queenxmeg queenxmeg

25-05-2014
Mathematics

Answered

how do you work out the value of "d" in the equation: 7d=4d+21?

Answer :

25-05-2014

Subtract 4d from each side. / / / 3d = 21. / / / Divide each side by 3. / / / d = 7 .

Answer Link

katiebear17 katiebear17

25-05-2014

I'm not completely positive but I believe this is how you do it.

7d=4d+21

7d - 4d = 21

3d = 21

3d / 3 = 21 / 3

d = 7

Answer Link

Other Questions

Which statement correctly explains whether more ATP is found in muscle cells or bomO More ATP is found in muscle cells because they use energy less efficiently

Question (2 points)What does HEPA stand for in HEPA filter?High-Energy Particulate AirHigh-Efficiency Passing of AirHigh-Energy Particulate ArrestanceHigh-Effic

What is one and one sixth minus one and one quarter?

छोटो उत्तर आउने प्रश्नहरूक. नेपालमा जलविद्युत्को महत्त्वहरू के के छन् ? छोटकरीमा व्याख्यागर्नुहोस् ।

pls help i dont get this

What is considered and overstimulating area?GardensParade RoutesQuiet SpaceОElevators

1.5 points What is the power of a circuit that conducts 6 A and has 24 ohms of resistance?

Which rhetorical appeal is primarily used in this ad? Cheaper paper depot sells the same paper you’ll find somewhere else at half price

Triangle JKL is rotated 45° counterclockwise using the origin as the center of rotation. On a coordinate plane, triangle J K L has points (negative 2, 0), (0, n

Match the following items. 1.expand from Atlantic to the Pacific Stephen A. Douglas 2.Kansas-Nebraska Act Charlotte Forten 3.abolitionist and teacher from Phila

what were the ideals of the Renaissance and how did Italian artist and writers reflect these ideals

Kim and Courtney share a 16-ounce box of cereal. By dthe end of the week, kim has eaten 3/8 of the box, and Courtney has eaten 1/4of the box of cereal. What fra

Jessica is making 2 loaves of banana bread. She needs 3/4 cup of sugar for each loaf. Her measuring cup can only hold 1/4 cup of sugar. How many times will Jess

Angle kl bisects angle vkw. Classify angle vkw if measure of angle lkw is 25°

Solve for X in y=12x-5

what is an various-sized particles ejected by a volcano?

1.30% of what number is 96? 2. 63 is 15% of what number?

What are three examples of things that only apply to relative dating.

what were the ideals of the Renaissance and how did Italian artist and writers reflect these ideals

how do you solve x+2/3=11//12