7w-7=21

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


Simplifying
7w + -7 = 21

Reorder the terms:
-7 + 7w = 21

Solving
-7 + 7w = 21

Solving for variable 'w'.

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

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

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

Combine like terms: 21 + 7 = 28
7w = 28

Divide each side by '7'.
w = 4

Simplifying
w = 4

See similar equations:

| s/8=3 | | 6(t+2)-3(t-4)=6(t-7)+8 | | 2x^2-11x+39=x^2-7x-7x+49 | | -36=2/x | | 8/x-2/y=-4 | | 9a+7= | | -9/8-5/9 | | 4x^2+21x+136=0 | | x^2-6x+8=1 | | 7d-1=2 | | x^2+14x+49=2x^2+18x+52 | | 5.2-45.5=5 | | 7-q=4 | | 0.3y-y=-6 | | 5/7÷5/6 | | N(n-3)/2=3 | | 5/7÷6/7 | | 6/8=n-4/4 | | 2.50+0.50x=10.00 | | 41=12d+11 | | 5y/7=10 | | 7/35=n/5 | | gx-3g=9x-27 | | 200+1400+2x=250+8x | | ln(x-3)=2.1 | | 28/12=n/24 | | 1.6*x=40 | | 56/n=7/12 | | 3/2×9 | | 2.50+50x=10.00 | | 36-4-3c=22 | | 6y(2y-5)+23y= |

Equations solver categories