a(n)=12+(n-1)(10)

Simple and best practice solution for a(n)=12+(n-1)(10) 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 a(n)=12+(n-1)(10) equation: 


Simplifying
a(n) = 12 + (n + -1)(10)

Multiply a * n
an = 12 + (n + -1)(10)

Reorder the terms:
an = 12 + (-1 + n)(10)

Reorder the terms for easier multiplication:
an = 12 + 10(-1 + n)
an = 12 + (-1 * 10 + n * 10)
an = 12 + (-10 + 10n)

Combine like terms: 12 + -10 = 2
an = 2 + 10n

Solving
an = 2 + 10n

Solving for variable 'a'.

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

Divide each side by 'n'.
a = 2n-1 + 10

Simplifying
a = 2n-1 + 10

Reorder the terms:
a = 10 + 2n-1

See similar equations:

| sin(2b-40)=cos(3b+10) | | -6=20+6 | | 4z=12z-32 | | -16t^2+40t+5=h | | .75=4x+2 | | 3(7d-5)=4(4d+5) | | 4y=8x-1 | | 25-c=9c-25 | | -43=5+8 | | 13=78b | | -9/7a=18 | | -5.5b+-44=-33 | | 7x-2x+3=5x+8 | | 0.3x+0.4(20)=0.2(x+20) | | -46+y=42 | | -16t^2+40t+4=h | | 18x^2-21x-7=0 | | -5y=-2x+4 | | 24/8=3/? | | 7x-2x+3=8x+3 | | 24/8=?/5 | | 248=?/5 | | 3x-16-5x=48 | | 9x+31=-21 | | 3(4x-5)=(2x-5) | | (X^2)-(2y^2)=3 | | (400+120)x=2600 | | (15x-5)+(90-4x)=180 | | 5e^2z+16=56 | | 5(2x-4)-3(3x-7)=31 | | x=(84-1.5)/4 | | 7x-2x+3=7x+8 |

Equations solver categories