-121=-21(1-7n)-7

Simple and best practice solution for -121=-21(1-7n)-7 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 -121=-21(1-7n)-7 equation:


Simplifying
-121 = -21(1 + -7n) + -7
-121 = (1 * -21 + -7n * -21) + -7
-121 = (-21 + 147n) + -7

Reorder the terms:
-121 = -21 + -7 + 147n

Combine like terms: -21 + -7 = -28
-121 = -28 + 147n

Solving
-121 = -28 + 147n

Solving for variable 'n'.

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

Add '-147n' to each side of the equation.
-121 + -147n = -28 + 147n + -147n

Combine like terms: 147n + -147n = 0
-121 + -147n = -28 + 0
-121 + -147n = -28

Add '121' to each side of the equation.
-121 + 121 + -147n = -28 + 121

Combine like terms: -121 + 121 = 0
0 + -147n = -28 + 121
-147n = -28 + 121

Combine like terms: -28 + 121 = 93
-147n = 93

Divide each side by '-147'.
n = -0.6326530612

Simplifying
n = -0.6326530612

See similar equations:

| -8+3c+c=2 | | 8-9x=23-16x | | n+17=25 | | n+14=20 | | 2p^2-12p-15=0 | | 0.6x=-14 | | 3k=78 | | 5.2=v+0.07 | | 16d+8=8d+40 | | -2+c=17 | | 12n=144 | | ln(x-1)-lnx=2 | | n+56=83 | | x+10=45 | | 9.2=7c-9 | | y+8=13 | | 7e-8=17.2 | | n+8=8 | | n+6=12 | | n+8=x-10 | | 3t^2+9t+4=0 | | 2(x-5)=-2 | | 4-2x-18y+9xy= | | 5h+7w= | | 2n+1+n=-42 | | 9=3c-9 | | 2x^2-x-3-12=0 | | 4x-(5x-12)=9 | | 2x^2-x-3-12=o | | 6e-5=13 | | n+13=4(9+2) | | 5(-3x+8)=-20 |

Equations solver categories