5-7x=21

Simple and best practice solution for 5-7x=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 5-7x=21 equation: 


Simplifying
5 + -7x = 21

Solving
5 + -7x = 21

Solving for variable 'x'.

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

Add '-5' to each side of the equation.
5 + -5 + -7x = 21 + -5

Combine like terms: 5 + -5 = 0
0 + -7x = 21 + -5
-7x = 21 + -5

Combine like terms: 21 + -5 = 16
-7x = 16

Divide each side by '-7'.
x = -2.285714286

Simplifying
x = -2.285714286

See similar equations:

| -3(y+4)=7y+8 | | 10-5x=-25 | | 4x+14=2x+30 | | 3b-2=-14 | | 12=3x-5 | | 13x^2+21x=-5x^2+22 | | 15h-4=6 | | 2x^3-11x^2+18x-9=0 | | t-2=5*5 | | 8(2v+1)=7v+44 | | -3+4x=-15 | | t-14=12 | | 6-6x=0 | | 8x-1=25 | | 3(-x)-(-2+x)=2x-4 | | 2x^3-11x+18x-9=0 | | -4x+8=16 | | 2x-5=-3 | | (3x-1)+7=8x-(3-2x) | | 2h-6+20=-4 | | 9-2c+c=-13 | | x+2x+(2x+20)=200 | | 8(2p-4)-3p=20 | | 60x^2+x=10 | | X^2-18x+9=0 | | 3x+20+2x-25+5x+10=180 | | C=CM | | 1x+6+2x=15 | | 5t-9=17 | | x+19=2x-(x-19) | | -7x+8=71 | | 0.5(4x-5)=.25(8x+9) |

Equations solver categories