-21d+15=-5d+7

Simple and best practice solution for -21d+15=-5d+7 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for -21d+15=-5d+7 equation:


Simplifying
-21d + 15 = -5d + 7

Reorder the terms:
15 + -21d = -5d + 7

Reorder the terms:
15 + -21d = 7 + -5d

Solving
15 + -21d = 7 + -5d

Solving for variable 'd'.

Move all terms containing d to the left, all other terms to the right.

Add '5d' to each side of the equation.
15 + -21d + 5d = 7 + -5d + 5d

Combine like terms: -21d + 5d = -16d
15 + -16d = 7 + -5d + 5d

Combine like terms: -5d + 5d = 0
15 + -16d = 7 + 0
15 + -16d = 7

Add '-15' to each side of the equation.
15 + -15 + -16d = 7 + -15

Combine like terms: 15 + -15 = 0
0 + -16d = 7 + -15
-16d = 7 + -15

Combine like terms: 7 + -15 = -8
-16d = -8

Divide each side by '-16'.
d = 0.5

Simplifying
d = 0.5

See similar equations:

| 63w^2-89+30=0 | | -5.1z=11.73 | | -4(a-2)=36 | | 8c=120 | | 1.75xY=7.00 | | 4x+7y=22 | | 5x+4y=13.25 | | 600x-0.54=400x+0.74 | | -20=-10x | | 4(5+a)+10= | | 5(x+3)=2x+3x | | 12-4x=20+4x | | 1n+3=2.5n-6-.5 | | -60=12x | | -6+2n=16 | | x-41=1 | | 5ln(4x-6)=-6 | | 32=m+24 | | 7.8=5x+6.5 | | 67=n+80-23-90 | | 2x=(550+40) | | (x+4)+(2x+1)+(3x-2)= | | 5=-5(-8+a) | | 36y^2+114y-20=0 | | 5x-f=3x-9 | | 5f-1=16+f | | 3(5r-1)=-2(3-6r) | | 7d+4d-7=5d | | E+-7.8=6.7 | | -x+8=1 | | 12y=-144 | | 2c=8c+4 |

Equations solver categories