8w-21=-9(w+8)

Simple and best practice solution for 8w-21=-9(w+8) 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 8w-21=-9(w+8) equation:


Simplifying
8w + -21 = -9(w + 8)

Reorder the terms:
-21 + 8w = -9(w + 8)

Reorder the terms:
-21 + 8w = -9(8 + w)
-21 + 8w = (8 * -9 + w * -9)
-21 + 8w = (-72 + -9w)

Solving
-21 + 8w = -72 + -9w

Solving for variable 'w'.

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

Add '9w' to each side of the equation.
-21 + 8w + 9w = -72 + -9w + 9w

Combine like terms: 8w + 9w = 17w
-21 + 17w = -72 + -9w + 9w

Combine like terms: -9w + 9w = 0
-21 + 17w = -72 + 0
-21 + 17w = -72

Add '21' to each side of the equation.
-21 + 21 + 17w = -72 + 21

Combine like terms: -21 + 21 = 0
0 + 17w = -72 + 21
17w = -72 + 21

Combine like terms: -72 + 21 = -51
17w = -51

Divide each side by '17'.
w = -3

Simplifying
w = -3

See similar equations:

| 3(2x-8)=30 | | (2x-5)*(2x+4)=0 | | -215+e+(-43)=45 | | -5x-5(x+6)=3x+9 | | 5(y-4)=6y+2 | | 3w+5=41 | | 3x+10=2x-12 | | 14.6=42x+2(-9x+3.3) | | [(x)(x)]-8x=-12 | | (-7i)(3i)= | | 8+r/9=13 | | 0.08r=5 | | 5x-2=8 | | 6x-x-12=0 | | u=54 | | -7/2+29x/4=x/4+1/2(8x-1) | | 2(6t-1)-3(3t-4)= | | (x-5)(x+6)(x-1)=0 | | -(6y+8p-7)= | | [(x)(x)]=9x | | 9(4n-6)= | | -5x-14=6x+19 | | 8(3y-2)=4(7y-1) | | 3(-2)+7=-2-1 | | d-2.7=1.4 | | 36-5a=1 | | 5a^2-6a+7a^2+3a-2+8a+7= | | 7-4x=5(22-x) | | 8x+11=39 | | -5-8x=11 | | 8-4x=2x-22 | | (8i)2= |

Equations solver categories