6+7x=21

Simple and best practice solution for 6+7x=21 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 6+7x=21 equation: 


Simplifying
6 + 7x = 21

Solving
6 + 7x = 21

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + 7x = 21 + -6

Combine like terms: 6 + -6 = 0
0 + 7x = 21 + -6
7x = 21 + -6

Combine like terms: 21 + -6 = 15
7x = 15

Divide each side by '7'.
x = 2.142857143

Simplifying
x = 2.142857143

See similar equations:

| -17c=-17c-16 | | -12j+4=-12j-10 | | -6-6-4q=20-4q | | 3+2x=x+6 | | -v=-v+9 | | -1-17n=2-17n | | -6+14k-8k=-6+6k | | -5+10t-3=10t-8 | | 1.5(x+8)=6.6+0.9x | | 2g+4=7+2g | | 0=-8u+8u | | 2+4b=4b+4-2 | | 2+4b=4b+4-3 | | -10-10+2y=10-8y | | 9w+1=1+9w | | 9z=9+6z | | 9z=9+6x | | 4.5n+2=2.9 | | 4p-8p=-4p | | -2-7d=1-7d | | 4.5+2=2.9 | | 4r+2=3r-4 | | 8s-6=2+8s | | 0=5m-5m | | 5C-15=3c+21 | | -3h=-6-4h | | -5c=-2c-3 | | 5A+3=3a+15 | | -10-7n=2-3n | | 10v=8v+2v | | -3q-2=-4g+1 | | j+2j=3j |

Equations solver categories