9(8+7d)=-621

Simple and best practice solution for 9(8+7d)=-621 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 9(8+7d)=-621 equation: 


Simplifying
9(8 + 7d) = -621
(8 * 9 + 7d * 9) = -621
(72 + 63d) = -621

Solving
72 + 63d = -621

Solving for variable 'd'.

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

Add '-72' to each side of the equation.
72 + -72 + 63d = -621 + -72

Combine like terms: 72 + -72 = 0
0 + 63d = -621 + -72
63d = -621 + -72

Combine like terms: -621 + -72 = -693
63d = -693

Divide each side by '63'.
d = -11

Simplifying
d = -11

See similar equations:

| 4f-10=8f+10 | | -91=1-4(4n-5) | | 16x^4-41x^2=25 | | -10-8z=7-10z-3 | | (-7/9)(-3/4)=x | | -164=-a+4(1-5a) | | 1+6h=7h | | X+37+43=180 | | 2y+3y=15 | | 1-9q=-7q+9 | | 10=-7+b | | -2(-32)=x | | -11b^2=4b^2 | | 8(2x-2)=24 | | (-8)(0.25)=x | | -9b-9=-8b | | 10k-6=7k | | 5(1-8b)=-35 | | 72=-9r | | 40x+2=0 | | (15)(-4)=x | | -2r+9=-9+4r | | -3x=-11x-5+7x | | 4x+3=6z-5 | | y=-8y-9 | | 4+x=2x-5 | | 5m+3.5=50 | | -y=22 | | -4n=-6n+10 | | 99-103=x | | 9u+6=8u | | X+38=103 |

Equations solver categories