21x+7=

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


Simplifying
21x + 7 = 0

Reorder the terms:
7 + 21x = 0

Solving
7 + 21x = 0

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + 21x = 0 + -7

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

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

Divide each side by '21'.
x = -0.3333333333

Simplifying
x = -0.3333333333

See similar equations:

| 13+2x=25+x | | x+3=19+3+3x | | 1.8+7n=9.5+-4n | | 2x+8(x+1)+3=11-2x | | -8w+13w=45 | | x+3=19+3 | | 5*a-18-4*a=-36 | | -3r+4=-21 | | (5-x)(2x+-3)=0 | | A+5a=71 | | 0.75(x+3)=9 | | 2(2f-7)=4f-14 | | -44=b-29 | | -9(7a-6)=9(-6-4a) | | -5x+5(-4x+10)=-75 | | 8x+6x-84=63-7x | | 3*b-4=3b+4*2 | | -4x-6=-8-3x | | 4(45+-.5y)+2y=180 | | 1.5y-y= | | 0.6(40)+0.8x=0.7(40+x) | | 5y-3+y+50=8y+50-5y | | X^2+22x+106=0 | | 38=-2(1+5m) | | -34=4v+42-5v | | 5h+h-4h+1= | | x+4+6+2=2*6+2(x+2) | | 3x-8=2x(9) | | 6x+4x+10=90 | | 2(x+7)=(5x-7) | | 4x-16y=36 | | 4=2m-5920 |

Equations solver categories