2(9n-1)=99-7(3-4n)

Simple and best practice solution for 2(9n-1)=99-7(3-4n) 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 2(9n-1)=99-7(3-4n) equation:


Simplifying
2(9n + -1) = 99 + -7(3 + -4n)

Reorder the terms:
2(-1 + 9n) = 99 + -7(3 + -4n)
(-1 * 2 + 9n * 2) = 99 + -7(3 + -4n)
(-2 + 18n) = 99 + -7(3 + -4n)
-2 + 18n = 99 + (3 * -7 + -4n * -7)
-2 + 18n = 99 + (-21 + 28n)

Combine like terms: 99 + -21 = 78
-2 + 18n = 78 + 28n

Solving
-2 + 18n = 78 + 28n

Solving for variable 'n'.

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

Add '-28n' to each side of the equation.
-2 + 18n + -28n = 78 + 28n + -28n

Combine like terms: 18n + -28n = -10n
-2 + -10n = 78 + 28n + -28n

Combine like terms: 28n + -28n = 0
-2 + -10n = 78 + 0
-2 + -10n = 78

Add '2' to each side of the equation.
-2 + 2 + -10n = 78 + 2

Combine like terms: -2 + 2 = 0
0 + -10n = 78 + 2
-10n = 78 + 2

Combine like terms: 78 + 2 = 80
-10n = 80

Divide each side by '-10'.
n = -8

Simplifying
n = -8

See similar equations:

| .25q+8=-2 | | 9x-4-8x=9 | | 2n(n-8)(n+5)=0 | | -x=-5 | | x^2-x-30=0 | | -6=21-n | | -7z=49 | | -z=49 | | -7=3(4x)+4x | | -27+z=47 | | 9x+13y=-20 | | x(x+1)(x-1)=0 | | 11x-7x=8 | | 5p-3(p-2)=-16 | | 4x+7x=5x+28 | | 2n^2-10n-17=0 | | 22=-2(y-3)+4y | | 7k-8k=1 | | 3+8(t-9)=6(t+2)+1 | | 4=5x | | -x^2+5x-4=0 | | 0=8n+1 | | 6(-3x)-4x=-88 | | 2f-9=14f+1 | | x=15-31 | | -2n+3.75=3.50 | | 9+8(t-7)=6(t+6)+4 | | (2m-7n)+(m+2n)= | | 21+6y=8y-7 | | 5-4h=65 | | 4+7x=5x+28 | | -16=2+x |

Equations solver categories