3+7x=-81

Simple and best practice solution for 3+7x=-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 3+7x=-81 equation:


Simplifying
3 + 7x = -81

Solving
3 + 7x = -81

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 7x = -81 + -3

Combine like terms: 3 + -3 = 0
0 + 7x = -81 + -3
7x = -81 + -3

Combine like terms: -81 + -3 = -84
7x = -84

Divide each side by '7'.
x = -12

Simplifying
x = -12

See similar equations:

| 7z+10-z=8z-2(2-5) | | 7c+10=70-5c | | 28-6x=13-9x | | y^2-20y+12.96=0 | | 2.5z-6.5=23.5 | | 8c+1=5c-14 | | 12x^2-68x+11= | | m^3+18m^2+81m= | | 958=6 | | a+6/2=-14 | | 462x=924 | | 462x=927 | | x^2-5x-33=3 | | 8(3a+7c)-6(2a+4c)= | | 16+21=30+13x | | 2x^2+6x-72=0 | | 2x^2+15x=2x+7 | | 8x-6x-3= | | m^3+16m^2+24m= | | 4n-12=60 | | 4n+12=60 | | x=3x+60 | | x^2y^2-24xy+144= | | x+3x+1=4x-6 | | -40i+2x=(5y)i-12 | | x^2-1x+25=0 | | -11+2x=3-2x | | x^2+8x-670=0 | | 3x-2y=45 | | 59-3x=9-8x | | 4x+11=-59-6x | | 3x+12=-40-10 |

Equations solver categories