7+2=2n-1

Simple and best practice solution for 7+2=2n-1 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 7+2=2n-1 equation:


Simplifying
7 + 2 = 2n + -1

Combine like terms: 7 + 2 = 9
9 = 2n + -1

Reorder the terms:
9 = -1 + 2n

Solving
9 = -1 + 2n

Solving for variable 'n'.

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

Add '-2n' to each side of the equation.
9 + -2n = -1 + 2n + -2n

Combine like terms: 2n + -2n = 0
9 + -2n = -1 + 0
9 + -2n = -1

Add '-9' to each side of the equation.
9 + -9 + -2n = -1 + -9

Combine like terms: 9 + -9 = 0
0 + -2n = -1 + -9
-2n = -1 + -9

Combine like terms: -1 + -9 = -10
-2n = -10

Divide each side by '-2'.
n = 5

Simplifying
n = 5

See similar equations:

| -16t^2+24t+16=0 | | 45=9a | | 8=2n-1 | | (-7x+4)-(x^2+x-3)= | | (3x+4x^2+3x^3)+(2x-x^2-x^3)-(x+2x^2+4x^3)= | | [7w-6x-4][7w+2x+2]= | | W^2+7w-98=0 | | 3(8)+3(5+3)=36x(10+2) | | x^2-4+x^2-4+x^2-4=180 | | 3(8)+3(5+3)=36*(10+2) | | a-2(3a-2)=0 | | 2x+6y=0 | | X^2-15+2x=-2x+17 | | (4u^2-2u+1)(2u+1)=0 | | 3(v+-3)=-3 | | 1200=90+(250x) | | x^4-20x^2+16=0 | | X^2-15+2x=2x+17 | | -3k-27=3 | | 17+5k=12k | | -27.25=c+2.25 | | 6b=3b-5b-48 | | -6(-2p+6)=-3(2p-6) | | 4y-(y-5)=2 | | 4.1(2-y)=-1.025(y-0.5) | | -3=-3(m+7)+-3 | | 4+-2y=16+4y | | -3 = -3 ( m+ 7)+ -3 | | 5p-5(-8p+6)=-6(1-8p) | | -2(x+5)+3=8(x+3)+7 | | 36a^2+81=108x | | 4(1-7b)=-6(b-8) |

Equations solver categories