7n-2(x-5)=3n-21

Simple and best practice solution for 7n-2(x-5)=3n-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 7n-2(x-5)=3n-21 equation:


Simplifying
7n + -2(x + -5) = 3n + -21

Reorder the terms:
7n + -2(-5 + x) = 3n + -21
7n + (-5 * -2 + x * -2) = 3n + -21
7n + (10 + -2x) = 3n + -21

Reorder the terms:
10 + 7n + -2x = 3n + -21

Reorder the terms:
10 + 7n + -2x = -21 + 3n

Solving
10 + 7n + -2x = -21 + 3n

Solving for variable 'n'.

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

Add '-3n' to each side of the equation.
10 + 7n + -3n + -2x = -21 + 3n + -3n

Combine like terms: 7n + -3n = 4n
10 + 4n + -2x = -21 + 3n + -3n

Combine like terms: 3n + -3n = 0
10 + 4n + -2x = -21 + 0
10 + 4n + -2x = -21

Add '-10' to each side of the equation.
10 + 4n + -10 + -2x = -21 + -10

Reorder the terms:
10 + -10 + 4n + -2x = -21 + -10

Combine like terms: 10 + -10 = 0
0 + 4n + -2x = -21 + -10
4n + -2x = -21 + -10

Combine like terms: -21 + -10 = -31
4n + -2x = -31

Add '2x' to each side of the equation.
4n + -2x + 2x = -31 + 2x

Combine like terms: -2x + 2x = 0
4n + 0 = -31 + 2x
4n = -31 + 2x

Divide each side by '4'.
n = -7.75 + 0.5x

Simplifying
n = -7.75 + 0.5x

See similar equations:

| 6-2d/9-5d-8/3=d/3 | | 3n+17-5n=28 | | 5(2y+1)=-10 | | 5x=243 | | 2(3r-8)-4t=10 | | 12+5a=a+20 | | x+14+0.13x=84 | | 11x+12+11-8=180 | | 8=n+3 | | 13x-5+24x=180 | | F(x)=20-1 | | -3.6z-10.8= | | 10xy^2-15y=(2xy-3) | | In(x-2)+in(2x-1)=2inx | | 13x-4+11x-8=180 | | 8-6x-2=-20+3x-10 | | 108x+9.50=14.75x | | 8-5x-6=-77+7x-17 | | -5x=-5x+2 | | lg25/lg5 | | 3a-12=-3a | | M+6=42 | | 9(x+30)-(45-18x)=15-3x | | 9(x+39)-(45-18x)=15-3x | | 2x+3y+3x+2y=15 | | (3+8i)(3-8i)= | | 3.6/9=b/.5 | | 7(3y-1)=28 | | 2q-5=-9 | | x^2+45x+304=0 | | 2x*7=20 | | 2x^7=20 |

Equations solver categories