9-w=21

Simple and best practice solution for 9-w=21 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-w=21 equation:


Simplifying
9 + -1w = 21

Solving
9 + -1w = 21

Solving for variable 'w'.

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

Add '-9' to each side of the equation.
9 + -9 + -1w = 21 + -9

Combine like terms: 9 + -9 = 0
0 + -1w = 21 + -9
-1w = 21 + -9

Combine like terms: 21 + -9 = 12
-1w = 12

Divide each side by '-1'.
w = -12

Simplifying
w = -12

See similar equations:

| -2.4x=36.6 | | 5(4)-2(-1)+5(6)= | | 8-(3z-9)=8-4z | | 8(7x-3)=57x | | 11.4+x-8.9=2.8 | | 5c^2-4a=b | | -4+5x=2(3x-4) | | -3(-6)+4(-1)= | | -(5-3b)=14b+39 | | 12(5q+20)=480 | | (3-10)(2-6)= | | 2-(2x+3)=3x+4 | | 7x-12=8x+29-x | | 9x^2-42x+24=0 | | 8x-12-7x=-7 | | -8n+20=-8n+20 | | c=3.14*13 | | 2x-2+5x=13x+19+x | | -5(8-10)= | | Y=3cotx | | 4x+5x+x=11x-3 | | 10+2y=10 | | x^2+11x-1569.75=0 | | 9x-9=3(3x-3) | | 6.3=b-15 | | -5(8-4x)+10=-20 | | -3x=6x-6 | | 54=24x+6 | | 3x+(-4)=6x-4 | | u+25=62 | | 4(x-5)=14x+3-7x | | 3x-12=-7x-(-28) |

Equations solver categories