-21=7w

Simple and best practice solution for -21=7w 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=7w equation:


Simplifying
-21 = 7w

Solving
-21 = 7w

Solving for variable 'w'.

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

Add '-7w' to each side of the equation.
-21 + -7w = 7w + -7w

Combine like terms: 7w + -7w = 0
-21 + -7w = 0

Add '21' to each side of the equation.
-21 + 21 + -7w = 0 + 21

Combine like terms: -21 + 21 = 0
0 + -7w = 0 + 21
-7w = 0 + 21

Combine like terms: 0 + 21 = 21
-7w = 21

Divide each side by '-7'.
w = -3

Simplifying
w = -3

See similar equations:

| 2p-2(4-3p)=6(p-4)-18 | | 5x+5=15x-12-20x | | -4=-2/7x | | X+0.5+3x-2=3z+1.6 | | abs(8x-1)=-17 | | (x/5)-5=(x/2)-2 | | y/3=4.8 | | 15c^2-23c+28=0 | | 17x+3x-5=5x+2 | | (6a^3b)(3ab)= | | 9.6=6u | | -24+p=-2(2p+7) | | 2g-12=20 | | 7.5=w/3 | | 12+2x-7=12x | | [2x+4]=-8 | | -3/8w=-15 | | (3n^-3-3m^-3)/(m+n^4) | | X+5+20=35 | | 0=x^2-495x+20250 | | 28=-4y | | (x^2)/4+2x+1 | | -6c^2+5c+25=0 | | 0.25x-14=10 | | -6c^2-c+5c+25=0 | | -5u=-15 | | 2a+[a-(b-c)]-[2a-(b-c)]= | | 8(3n+2)=6(8n+2)+4 | | 1-1/3(6x+3) | | 5x^2+10x-81=-6 | | 25=6x | | 7t^2-43t-42= |

Equations solver categories