21=-5w+3(w+3)

Simple and best practice solution for 21=-5w+3(w+3) 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 21=-5w+3(w+3) equation:


Simplifying
21 = -5w + 3(w + 3)

Reorder the terms:
21 = -5w + 3(3 + w)
21 = -5w + (3 * 3 + w * 3)
21 = -5w + (9 + 3w)

Reorder the terms:
21 = 9 + -5w + 3w

Combine like terms: -5w + 3w = -2w
21 = 9 + -2w

Solving
21 = 9 + -2w

Solving for variable 'w'.

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

Add '2w' to each side of the equation.
21 + 2w = 9 + -2w + 2w

Combine like terms: -2w + 2w = 0
21 + 2w = 9 + 0
21 + 2w = 9

Add '-21' to each side of the equation.
21 + -21 + 2w = 9 + -21

Combine like terms: 21 + -21 = 0
0 + 2w = 9 + -21
2w = 9 + -21

Combine like terms: 9 + -21 = -12
2w = -12

Divide each side by '2'.
w = -6

Simplifying
w = -6

See similar equations:

| z=70x+40y | | 1/3a=-12 | | d=-16t^2-4t+460 | | 7d-5c-d= | | 12-3g= | | (1/5+1/4)/(1/5-1/4) | | a^2-6xy-27y^2=0 | | x/0.32=0.5/0.8 | | 3t(7t+4)=0 | | 1.75+1x=9.75 | | 25n^2-5n-6=0 | | -7p+6=-8 | | (10500)1/2 | | 20-x=x+2 | | 22x-45=153 | | 22x-45=131 | | 4(y-9)=3(2y-18) | | d^2-6d=16 | | 36r^2-5r-24=0 | | 8x+96=12(x+5) | | (-5)^2-(2-3)+4/2x3 | | 4(m-5)+3=23 | | 3n^2+20n+5=0 | | 35x^2+6x-8= | | 5^1/3 | | b=a/10 | | -250+19.5x=-55 | | 3x^2+10x+7= | | 8x-13=5(x+1) | | 22=-8y+6(y+4) | | 6.5x+8y=600 | | =6n+14 |

Equations solver categories