-9=-21x

Simple and best practice solution for -9=-21x 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 -9=-21x equation:


Simplifying
-9 = -21x

Solving
-9 = -21x

Solving for variable 'x'.

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

Add '21x' to each side of the equation.
-9 + 21x = -21x + 21x

Combine like terms: -21x + 21x = 0
-9 + 21x = 0

Add '9' to each side of the equation.
-9 + 9 + 21x = 0 + 9

Combine like terms: -9 + 9 = 0
0 + 21x = 0 + 9
21x = 0 + 9

Combine like terms: 0 + 9 = 9
21x = 9

Divide each side by '21'.
x = 0.4285714286

Simplifying
x = 0.4285714286

See similar equations:

| 2x-6-x-4=15 | | 1+3x=2(x+5)-3(5-x) | | 36x=-15 | | 3secX+6=4 | | x^2+8x+13=13 | | 1.2x-2.6=2.8x | | -18x=12 | | 8-6x=12+4x | | 55=2v+15 | | 3(2x-7)=5x+7+x | | x-0.3=8 | | 8(x+5)=-4(8+x) | | -y+-3y= | | -3/8-1/6 | | 9(x+3)-14x-15=52 | | 7p+27=-18 | | 45-x/4=115 | | 4x-20=5+4x+5x | | 0=-.64x^2+24x+3 | | 9(x-3)+14x-15=52 | | 4/12x=48 | | 4/12=48 | | -5p-4p=27 | | 16=x/5=8 | | 228=-.64x^2+24x+3 | | -x/8(-96) | | 1.96x^2= | | 12-0.5=0.25+x | | 18=4y-10 | | 29x^2+7x-3=0 | | 3/9x=36 | | f(x)=x^6-x^4-x^2+1 |

Equations solver categories