0
2d+1=29
2d=29-1=28
d=28/2=14
Wiki User
∙ 12y ago
Add your answer:
Earn +20 pts
What is 2d plus 7 equals 9?
2d + 7 = 9 2d = 2 d = 1
2a plus 1b equals 2c plus 2d-----2a plus 1b equals 1c plus 2d----- 1a plus 2b equals 3d-----what does 4a equal?
I--2a+b=2c+2d II--2a+b=c+2d III--a+2b=3d * Here if we perform (I)-(II), we get, c=0 * Using the c we can prove b=0 using (I)-(III). * Now replace 'b' & 'c' as 0 in (I), then we get a=d. Email me at yash2008gates@gmail.com for any queries. I will be very thankful to receive your queries.
What is the answer to 2d plus 7 equals 9?
To keep it balanced, whatever you do to one side of the equals, do to the other: 2d + 7 = 9 ⇒ 2d + 7 - 7 = 9 - 7 ⇒ 2d = 2 ⇒ 2d ÷ 2 = 2 ÷ 2 ⇒ d = 1
6d-3d plus 2d equals 35 what is the unknown?
12
What is the answer to 2d plus 25 equals 55?
2d + 25 = 55Therefore 55 - 25 = 2dTherefore, 2d = 30d = 30/2Therefore, d = 15
What is -7d equals 50 plus 2d?
-7d = 50 + 2d -9d = 50 d = -50/9 Or about -5.6
Solving 3d plus 8 equals 2d-7?
3d + 8 = 2d - 7 3d -2d = -8 - 7 1d = - 15 d = -15
How do you solve 3d plus 8 equals 2d-7?
3d+8=2d-7 3d+8-8=2d-7-8 (substract 8 on both side) 3d=2d-15 3d-2d=2d-2d-15 (substract 2d on both side) d=-15
What is the equation for d-2.7 equals 2.0 plus 2d?
Solving for d: d = -4.7 satisfies the equation.
What is 18d plus 2d-1 plus 2d?
22d - 1
What does 39 - 70d - 75- 2d plus 1 plus 9d equals?
(-70-2+9)d + (39-75+1) = -63d -35
What is 2D shape does not have equal sides?
2d shapes that do not have equal sides do not usually have special names.
