15=4.3n-2.1(n-4)

Simple and best practice solution for 15=4.3n-2.1(n-4) 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 15=4.3n-2.1(n-4) equation: 


Simplifying
15 = 4.3n + -2.1(n + -4)

Reorder the terms:
15 = 4.3n + -2.1(-4 + n)
15 = 4.3n + (-4 * -2.1 + n * -2.1)
15 = 4.3n + (8.4 + -2.1n)

Reorder the terms:
15 = 8.4 + 4.3n + -2.1n

Combine like terms: 4.3n + -2.1n = 2.2n
15 = 8.4 + 2.2n

Solving
15 = 8.4 + 2.2n

Solving for variable 'n'.

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

Add '-2.2n' to each side of the equation.
15 + -2.2n = 8.4 + 2.2n + -2.2n

Combine like terms: 2.2n + -2.2n = 0.0
15 + -2.2n = 8.4 + 0.0
15 + -2.2n = 8.4

Add '-15' to each side of the equation.
15 + -15 + -2.2n = 8.4 + -15

Combine like terms: 15 + -15 = 0
0 + -2.2n = 8.4 + -15
-2.2n = 8.4 + -15

Combine like terms: 8.4 + -15 = -6.6
-2.2n = -6.6

Divide each side by '-2.2'.
n = 3

Simplifying
n = 3

See similar equations:

| 5(3x+12)=-9 | | 4x-5=2(2x+1) | | 8x+14=5x+47 | | 7x+24=-1+2x | | 8y+9x=-25 | | -6(-p+8)=-6+12 | | 5r+3r-6=10 | | 5x+7=3x+37 | | 3x-5x=22 | | 1=2x+0.3 | | 8+-2y=3y+2 | | 1=2x+3.0 | | 50+65x=90+45x | | 191=97-y | | 4x+7=-17 | | -3(-c-12)=-3c-12 | | 4(9-6)=8a-(4a-24) | | 2g+3(-6+3g)=1-g | | 13=17-x | | 5(b+13)=4b+5b | | 5b+65=4b+5b | | 7+2(a-3)=-9 | | 16=0.5-p | | 3q+2(-7+3g)=1-g | | 16b-6.5=9.5 | | 8x-3(x+2)=-12 | | 4x=3x+5 | | 5g+4(-7+2g)=1-g | | 67x+25x=350+25x | | 8x-3(5x+1)=12x | | 4q+4(-6+5g)=1-g | | 9(x-5)=8(x+5) |

Equations solver categories