x+(x+1)=81

Simple and best practice solution for x+(x+1)=81 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 x+(x+1)=81 equation:


Simplifying
x + (x + 1) = 81

Reorder the terms:
x + (1 + x) = 81

Remove parenthesis around (1 + x)
x + 1 + x = 81

Reorder the terms:
1 + x + x = 81

Combine like terms: x + x = 2x
1 + 2x = 81

Solving
1 + 2x = 81

Solving for variable 'x'.

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

Add '-1' to each side of the equation.
1 + -1 + 2x = 81 + -1

Combine like terms: 1 + -1 = 0
0 + 2x = 81 + -1
2x = 81 + -1

Combine like terms: 81 + -1 = 80
2x = 80

Divide each side by '2'.
x = 40

Simplifying
x = 40

See similar equations:

| 0=-16x^2+400 | | x+y=81 | | y-4=2(x+9) | | 3x^2+3x-224=0 | | 8x-7=7x-15 | | x^2-56=-x | | (3y^2)+16y+5= | | P+(26+P)+(2P-28)=638 | | r^2-3r=40 | | 5s^2=36s+32 | | 4x+17+2(x-8)+4(x+5)=334 | | x^2+6x-1=6 | | 115.52=100(1+0.00388*t) | | 45x-34x^2=78 | | a^2+2a-33=-9 | | v+(v-33.6)+(v+25.3)=188.5 | | -x^3+9x^2+52x= | | 9x^2-169=0 | | x^2=19.6 | | -3y+6=-4y+1 | | 11=-z+6 | | 4n^2-7=-68 | | y+6x=7 | | 10+81b^2=46 | | x^2=72.9 | | p^2+5=96 | | -(-7x)=(-21) | | 5.1x=27.54 | | n^2=3 | | 7.5x=19.5 | | 2x+18=292 | | 14=-z+9 |

Equations solver categories